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purity 97% Phenylphosphonous dichloride various packings available hly57

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Unit Price:

$1/MT FOB

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CAS No.:

644-97-3

Grade:

Industrial Grade

Content:

97%

Port:

qingdao

Brand:

HLY

Packaging:

200 kg/sealed steel drum

Price valid (until):

2026-12-31

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Suqian City Hengliyuan Import and Export Trade Co., LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

Acrylonitrile,Sodium biselenite methylamine solution,Methylamine [anhydrous],Zinc dust,Hydrogen peroxide solution [content >8%],Triisopropyl borate

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Product Description
Seller Information

Description

Company Profile ----------
Suqian City Hengliyuan Import and Export Trade Co., LTD is a trading company. The company has introduced advanced scientific and technological achievements from home and abroad, and has superior products from well-known manufacturers at home and abroad. The basic functions are:
1. Domestic trade of various chemical raw materials;
2. Providing price information services and chemical raw material procurement for industrial enterprises;
3. Cooperating with Chinese state-owned enterprise factories, the price and quality are very advantageous.
At present, the company is relying on the combination of industry and trade and global procurement to steadily improve the company's value-added ability and compound competitiveness. We have always been committed to producing high-quality and low-cost goods, so we have been sincerely recognized by many customers. Our goal is to produce the best products and satisfy every customer with professional services and attitudes. We look forward to cooperating with you and establishing a win-win relationship with you. Please rest assured that we will definitely satisfy you.

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----------packaging and delivery ----------

----------Our Advantages---------
High quality with competitive price
1) Standard:BP/USP/EP/Enterprise standard
2) All Purity≥99%
3) We can provide high quality products with factory price
2. Fast delivery
1) Fast shipment.Various transportation methods for your choice.
2) We have our own agent/remailer/distributor who can help us ship our products very fast , and we have stock in the ir for transferring.
3. Good communication and credit
1) Fast response to customer within 5 hours
2) Good business credit in Europe, US, Japan, Korea, Af r ica and so on.

Dichlorophenylphosphine (DCPP / Phenylphosphonous Dichloride ) CAS 644-97-3 Full Export Specification

1. Basic Chemical Identification

IUPAC Name: dichloro(phenyl)phosphane
Aliases: DCPP, BPD, Phenyldichlorophosphine, Phenylphosphonous dichloride,
CAS No.: 644-97-3
EINECS: 211-425-8
MDL No.: MFCD00000528
Molecular Formula: $\boldsymbol{C_6H_5Cl_2P}$
Molecular Weight: 178.99
SMILES: ClP(Cl)c1ccccc1
HS Code: 2931399090
UN Number: UN 2798
IMDG Hazard Class: Class 8 Corrosive Liquid, Subsidiary Risk Class 6.1 Toxic, Packing Group II
Signal Word: Danger
Core Feature: Strongly moisture-sensitive, violently hydrolyzes with water to release HCl acid mist

2. Physical & Chemical Properties

Appearance: Colorless to pale yellow transparent oily liquid, sharp irritating phosphine-chloride odor
Melting Point: −51 ℃
Boiling Point: 222 ℃ (760 mmHg); 59 ℃ @12 mmHg vacuum
Density (20 ℃): 1.316–1.330 g/mL, heavier than water, sinks to bottom
Refractive Index $n_{20}^D$: 1.5948–1.5960
Flash Point: >110 ℃ (230 ℉)
Solubility: Reacts violently with water/moisture to produce HCl + phenylphosphinic acid; miscible with anhydrous toluene, xylene, chlorobenzene, ethers; incompatible with alcohols, amines, ketones
Stability
- Extremely moisture sensitive; must be stored under dry nitrogen blanket, sealed light-proof packaging
- Reacts with alcohols, amines, water, strong bases, metal oxides; undergoes Arbuzov reaction, phosphine ligand synthesis, complexation with transition metals
- Incompatible with aluminum, iron, strong oxidants, aqueous media
Core GHS Hazards
- H290: May be corrosive to metals
- H301: Toxic if swallowed
- H314: Causes severe skin burns and permanent eye damage (strong corrosive hydrolysis mist)
- H335: May cause respiratory irritation; inhalation of HCl/phosphorus vapor induces bronchial edema
- H412: Harmful to aquatic life with long-lasting bioaccumulation risk

3. Standard COA Technical Specifications

Industrial Organophosphorus Intermediate Grade ≥99.0% (Main Bulk Export Grade)

Test Item	Standard Specification
DCPP Purity (GC)	≥99.0 wt%
Phosphorus trichloride / Chlorobenzene residual total	≤0.60%
Moisture Content	≤50 ppm (strict control index)
Color (APHA fresh sealed liquid)	≤40 pale yellow
Hydrolyzable Chloride (free HCl)	≤0.005%
Acidity (as HCl)	≤0.003%
Evaporation Residue	≤0.001%
Heavy Metals (Pb)	≤5 ppm

High-Purity Electronic/Ligand Grade ≥99.8%

Ultra-low inorganic chloride & phosphorus impurities; for metal phosphine ligand synthesis, pharmaceutical chiral catalyst, flame retardant monomer fine synthesis

4. Main Industrial Applications

1. Aromatic Organophosphorus Core Building Block (Largest Consumption)

Key raw material for manufacturing all phenyl organophosphorus derivatives:

Phosphine ligands (PPh₃, monodentate/bidentate phosphine catalysts for Suzuki, Heck cross-coupling reactions)
Flame retardants for polyester, polyamide, epoxy resin, self-extinguishing fiber additives
Polymer stabilizers, anti-oxidants, color inhibitors for polyethylene, polycarbonate thermoplastics

2. Pharmaceutical & Agrochemical Intermediate

Synthesize organophosphorus antibiotics, anti-inflammatory chiral drugs, crop fungicides & plant growth regulators via phosphination condensation reactions

3. Polymer Catalyst & Modifier

Reducing agent and polymerization accelerator for polyamide, polysiloxane resin, emulsion polymerization systems
Curing promoter for unsaturated polyester resin, discoloration inhibitor for plastic molding processing

4. Lubricant & Metal Surface Additive

Lubricity improver for polyphenylene sulfide high-temperature lubricants; thin-film corrosion inhibitor for aluminum alloy surface treatment

5. Laboratory Synthetic Reagent

Classic trivalent phosphorus substrate for Arbuzov rearrangement, metal phosphine complex coordination, organophosphorus mechanism research

5. Export Packaging & Storage Transportation

Standard Packing Options

Industrial bulk: 200L carbon steel drum with PTFE fully airtight cap, vacuum nitrogen pre-purged, net weight ~264kg/drum
Stainless steel ISO tank container for full FCL bulk sea shipment (fully dried, nitrogen blanket before filling)
Lab small packing: 1L / 2.5L thick-wall amber glass bottle with nitrogen sealing

All pallets fixed with anti-vibration steel strapping, fully wrapped waterproof acid-resistant composite film; transit temperature controlled ≤25 ℃, strictly isolate rain, humid air and direct sunlight to prevent hydrolysis acid mist leakage.

Storage Mandatory Warehouse Rules

Cool, dry, ventilated Class8 corrosive chemical warehouse, indoor relative humidity ≤60%
All drums fully nitrogen-sealed, avoid any air/moisture ingress
Strict segregate from water sources, alcohols, amines, metal products, oxidants, food raw materials & edible goods
Equipped with continuous acid vapor concentration alarm, negative-pressure explosion-proof exhaust ventilation, soda ash neutralization emergency pool

Ocean Transport Rules

UN2798 Class8 Corrosive Liquid + Subsidiary Class6.1 Toxic PG II marine pollutant dangerous goods

Dedicated dry inert gas pre-treated tank containers only; mixed loading with water-soluble cargo, alkaline goods, metal ingots and food completely forbidden
All containers pre-dried and nitrogen purged before loading; full set of corrosive-toxic dangerous goods export documents mandatory for global customs clearance

6. GHS Full Hazard Statements & Mandatory PPE

Hazard Statements

H290: May be corrosive to metals
H301: Toxic if swallowed
H314: Causes severe skin burns and eye damage
H335: May cause respiratory irritation
H412: Harmful to aquatic life with long lasting effects

Mandatory PPE

Half-face respirator with acid + organophosphorus vapor dual filter cartridge; full-face positive-pressure SCBA for large tank pumping & leakage emergency handling
Double protection: fully sealed acid-proof chemical safety goggles + full anti-splash flame retardant face shield
Double-layer thick butyl rubber impermeable gloves (nitrile only for short contact)
Impermeable full-body anti-corrosive protective overalls + heavy chemical resistant rubber boots
Local negative-pressure closed exhaust fume hood for all sampling, pumping & feeding operations (open-air handling strictly prohibited)

Spill & First Aid Emergency Treatment

Spill disposal: Evacuate all irrelevant personnel instantly, cut all ignition sources; build dry sand barriers to contain liquid, absorb leakage with anhydrous inert sand only (water forbidden); neutralize residual waste with solid soda ash slowly; collect waste into airtight steel hazardous barrels for professional incineration; prohibit direct discharge to sewer or water body
Skin contact: Remove contaminated clothes instantly, wipe residual liquid with dry cotton cloth first, then flush skin with massive running water continuously ≥30 minutes; hospital burn treatment mandatory
Eye contact: Dry wipe residual mist/liquid first, then uninterrupted clean water irrigation minimum 30 minutes, urgent ophthalmic rescue mandatory
Inhalation: Move victim to fully fresh dry air instantly, supply high-concentration oxygen for throat burning, cough and dyspnea
Ingestion: Do NOT induce vomiting, no water intake; give dry activated carbon orally, transport patient to toxic emergency center with SDS document

7. Foreign Trade Selling Advantages

Two grades available: industrial polymer/flame retardant bulk grade & high-purity catalyst/electronic grade, ultra-low free chloride and moisture to avoid hydrolysis side reactions in phosphine ligand synthesis
Vacuum nitrogen-blanketed airtight steel drum / stainless steel ISO tank packaging, zero hydrolysis acid mist leakage risk during long cross-ocean sea transit
Complete Class8 subsidiary Class6.1 PG II corrosive-toxic dangerous goods export document set (COA, English SDS, UN packaging certificate, IMDG maritime declaration, certificate of origin, impurity inspection report)
Flexible supply: trial lab bottles, 200L bulk drums, full ISO tank FCL bulk shipments
Exclusive trivalent phenyl phosphorus monomer, stable Arbuzov & coordination reactivity, long-term supplier for global flame retardant, pharmaceutical catalyst and plastic additive manufacturers

8. Full Set Export Supporting Documents

Batch Certificate of Analysis (COA)
English SDS Safety Data Sheet (moisture-sensitive corrosive organophosphorus special version)
UN Dangerous Goods Packaging Qualification Certificate (UN2798)
IMDG Maritime Dangerous Goods Declaration File (Class8 (6.1) PG II)
Certificate of Origin
Moisture & free chloride impurity compliance test report

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Certificates

Basic Info

Product Name:

Dichlorophenylphosphine

Other Name:

Phosphonous dichloride,P-phenyl-;Phosphonous dichloride,phenyl-;P-Phenylphosphonous dichloride;Dichlorophenylphosphine;Phenyldichlorophosphine;Phenylphosphonous dichloride;Phenylphosphine dichloride;Phosphine,dichlorophenyl-;Phenyl phosphorus dichloride;Phenylphosphonous acid dichloride;Phenylphosphinous dichloride;NSC 66478

CAS No.:

644-97-3

Molecular Formula:

C6H5Cl2P

InChIKeys:

InChIKey=IMDXZWRLUZPMDH-UHFFFAOYSA-N

Molecular Weight:

178.98

Exact Mass:

178.98

BRN:

508189

EC Number:

211-425-8

UNII:

WRU258L1EW

NSC Number:

66478

UN Number:

2798

DSSTox ID:

DTXSID4027282

Color/Form:

COLORLESS LIQUID

HScode:

29310095

Categories:

Heterocyclic Ring

Characteristics

PSA:

XLogP3:

4.59

Appearance:

Clear colorless to slightly yellow Liquid

Density:

1.356 g/cm³ @ Temp: 20 °C

Melting Point:

-51 °C

Boiling Point:

99-101 °C @ Press: 11 Torr

Flash Point:

>230 °F

Refractive Index:

n20/D 1.597(lit.)

Water Solubility:

Solubility in water: reaction.MISCIBLE WITH BENZENE, CARBON DISULFIDE

Storage Conditions:

Store below +30°C.

Flammability characteristics:

Flammable; decomposes toxic hydrogen chloride gas in water

Odor:

acrid, pungent

Experimental Properties:

Heat of solution: -72 Btu/lb= -40 cal/g= -1.7x10+5 J/kg

Air and Water Reactions:

Fumes in air. Reacts with water, including moisture in air or soil, to liberate heat and hydrochloric acid [Merck, 11th ed. 1989].

Reactive Group:

Acyl Halides, Sulfonyl Halides, and Chloroformates

Reactivity Alerts:

Water-Reactive

Reactivity Profile:

BENZENE PHOSPHORUS DICHLORIDE is incompatible with water, with bases (including amines), with strong oxidizing agents, and with alcohols. May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts [J. Haz. Mat., 1981, 4, 291].

Autoignition Temperature:

319 °F (USCG, 1999)|319 °F

Heat of Combustion:

est -8,200 Btu/lb= -4,500 cal/g= -190x10+5 J/kg

Corrosivity:

Corrodes metal, except 316 stainless steel, nickel, or Hastelloy

See More Dichlorophenylphosphine Properties 

Hazard Identification

Classification of the substance or mixture

Corrosive to metals, Category 1

Acute toxicity - Category 4, Oral

Skin corrosion, Sub-category 1B

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H290 May be corrosive to metals H302 Harmful if swallowed H314 Causes severe skin burns and eye damage
Prevention	P234 Keep only in original packaging. P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response	P390 Absorb spillage to prevent material damage. P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P363 Wash contaminated clothing before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P316 Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage	P406 Store in a corrosion resistant/...container with a resistant inner liner. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More Dichlorophenylphosphine Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Acrylonitrile,Sodium biselenite methylamine solution,Methylamine [anhydrous],Zinc dust,Hydrogen peroxide solution [content >8%],Triisopropyl borate

Location:
Shop No.15, 1st Floor, Building 12, Hengda Huafu, Sucheng District, Suqian City

Payment Terms:
TT against B/L draft before shipment,100% TT in advance

Average lead Time:
30

Total Annual Revenue:
Less than $1 million

Total Employees:
5-10

Year of Establishment:
2022
Company Overview

Suqian Hengliyuan Import and Export Corporation, Ltd. is a leading enterprise specializing in the international trade of chemical products. Established in Suqian, Jiangsu Province, China, our company has built a strong reputation for excellence and reliability in the chemical industry.

Our Mission

Our mission is to facilitate global trade by providing high-quality chemical products and exceptional service to our clients. We aim to be a bridge between manufacturers and end-users, ensuring the safe and efficient transfer of chemicals across borders.

Products and Services

We offer a comprehensive range of chemical products, including but not limited to:

Industrial Chemicals: Raw materials for various industries such as pharmaceuticals, agriculture, and manufacturing.

Specialty Chemicals: High-performance chemicals used in specific applications, including water treatment, coatings, and adhesives.

Bulk Chemicals: Large-volume chemicals for industrial processes and manufacturing needs.

Quality Assurance

At Suqian Hengliyuan Import and Export Corporation, Ltd., quality is our top priority. We adhere to stringent quality control measures and international standards to ensure that our products meet the highest levels of purity and performance. Our dedicated quality assurance team conducts rigorous inspections and testing to guarantee the integrity and safety of all our chemical products.

Global Network

Leveraging our extensive network of suppliers and partners, we are able to source and deliver a wide array of chemical products to clients worldwide. Our strategic partnerships and logistical expertise enable us to offer competitive pricing, timely delivery, and customized solutions to meet the diverse needs of our clients.

Commitment to Sustainability

We are committed to sustainable business practices and environmental stewardship. Our operations are designed to minimize environmental impact, and we continuously seek ways to improve our processes and reduce our carbon footprint. We work closely with our suppliers and customers to promote the responsible use and disposal of chemicals.

Customer Focus

Our clients are at the heart of everything we do. We pride ourselves on providing personalized service and building long-term relationships based on trust and mutual benefit. Our experienced team of professionals is dedicated to understanding our clients' needs and delivering solutions that exceed their expectations.
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