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Phthalic anhydride CAS: 85-44-9

Name: Phthalic anhydride CAS: 85-44-9
Brand: Orient
SKU: pr2608171282
Price: 26 USD
Availability: InStock

TDS 118 Inquiries

Unit Price:

$26-28/MT FOB

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CAS No.:

85-44-9

Grade:

Industrial Grade

Content:

99%

Port:

Qingdao

Brand:

Orient

Packaging:

25kg/bag,500kg/bag, customized

Price valid (until):

2027-12-31

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Qingdao Orient Chemical Co.,LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

pharmaceutical intermediates,peptides,electronic chemicals

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Product Description
Seller Information
Inquiry History

Description

Product Introduction

Phthalic anhydride Basic information

Product Name:	Phthalic anhydride
Synonyms:	AKOS BBS-00004337;2-Benzofuran-1,3-dione;Anhydrid kyseliny ftalove;Anhydride phtalique;anhydridephtalique;anhydridephtalique(etatvitreux);anhydridephtalique(french);1,2-Benzenedicarboxylic Anhydride
CAS:	85-44-9
MF:	C8H4O3
MW:	148.12
EINECS:	201-607-5
Product Categories:	Building Blocks;Carbonyl Compounds;pharmacetical;Carboxylic Acid Anhydrides;Chemical Synthesis;Organic Building Blocks;ACS GradeOrganic Building Blocks;Carbonyl Compounds;Carboxylic Acid Anhydrides;Essential Chemicals;Routine Reagents;Organic Building Blocks;85-44-9
Mol File:	85-44-9.mol

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Product Images

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Factory Information

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Production and R&D

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Company Profile

We are a professional chemical foreign trade enterprise integrating R&D, production, customization and global sales, committed to providing high-quality chemical products and professional services worldwide. With years of experience in the chemical industry, we have built a complete industrial chain and won widespread recognition from customers with reliable quality, flexible customization and sincere service.

We are proud to own our own modern standard chemical factory, equipped with advanced automated production lines and strict quality control systems. Built in line with international standards and certified by relevant industries, our factory ensures standardized, safe and environment-friendly production. Every link from raw material input to product packaging is professionally operated and monitored, guaranteeing stable and high-quality products.

Understanding customers’ diverse needs, we have a professional customization team consisting of experienced chemical engineers. We provide one-stop customization solutions, including formula adjustment, specification customization and packaging design, to accurately meet both small-batch and large-scale customized needs, with close communication throughout the process.

Adhering to a global development strategy, our sales network covers over 100 countries and regions across Asia, Europe, Africa, the Americas and Oceania. We have established long-term cooperative relationships with distributors and end-users worldwide, winning their trust and favorable reviews with high-quality products, competitive prices and thoughtful after-sales service.

We adhere to the core values of "people-oriented, integrity-based". We care for our employees by providing a good working environment, competitive benefits and training channels, enabling them to grow with the enterprise. Upholding honest operation, we abide by international trade rules, fulfill contracts strictly and maintain a good reputation in the industry.

Looking ahead, we will continue to upgrade our R&D and production capabilities, expand the global sales network, and strive to become a world-class trusted chemical foreign trade enterprise. We sincerely welcome global customers to consult and cooperate with us for a better future.

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Shipping Method

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FAQ

Q1: How to place an order?

A: Please send us the product specifications and required quantity via email or online message. We will then confirm the order details with you.

Q2: How long will delivery take?

A: We use dedicated door‑to‑door shipping lines. After payment is confirmed, delivery normally takes 8‑15 working days.

Q3: Can I get a quantity discount?

A: Yes. We offer favorable discounted prices for bulk orders.

Q4: How should I store the products?

A: Please store in a cool and dry place. We recommend refrigerated storage at 2‑5°C.

ECHEMI Editorial Reference

Phthalic Anhydride is moderately flammable, white solid (flake) or a clear, colorless, mobile liquid (molten) Characteristic, acrid, choking odor. Phthalic anhydride is very slightly soluble in H2O, soluble in alcohol, and slightly soluble in ether.

Certificates

Basic Info

Product Name:

Phthalic anhydride

Other Name:

1,3-Isobenzofurandione;Phthalic anhydride;ESEN;Phthalandione;1,3-Phthalandione;Phthalic acid anhydride;Retarder AK;Retarder ESEN;Retarder PD;1,2-Benzenedicarboxylic anhydride;Vulkalent B/C;TGL 6525;Araldite HT 901;HT 901;Phthalanhydride;Sconoc 7;Retarder B-C;NSC 10431;Sconoc 5;2-Benzofuran-1,3-dione;Rikacid PA;OP 392;ADP 1200;1,3-Dihydro-2-benzofuran-1,3-dione;39363-63-8

CAS No.:

85-44-9

Molecular Formula:

C8H4O3

InChIKeys:

InChIKey=LGRFSURHDFAFJT-UHFFFAOYSA-N

Molecular Weight:

148.116

Exact Mass:

148.016

HScode:

2917350000

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

43.37

XLogP3:

0.9972

Appearance:

white crystalline solid with choking odour

Density:

1.53

Melting Point:

129-132ºC

Boiling Point:

284ºC

Flash Point:

152ºC

Refractive Index:

1.646

Water Solubility:

6 g/L (20 ºC)

Storage Conditions:

Store at RT.

Vapor Pressure:

<0.01 mm Hg ( 20 °C)

Vapor Density:

5.1 (vs air)

See More Phthalic anhydride Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

Skin irritation, Category 2

Serious eye damage, Category 1

Skin sensitization, Category 1

Specific target organ toxicity â single exposure, Category 3

Respiratory sensitization, Category 1

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H302 Harmful if swallowed H315 Causes skin irritation H318 Causes serious eye damage H317 May cause an allergic skin reaction H335 May cause respiratory irritation H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P271 Use only outdoors or in a well-ventilated area. P284 [In case of inadequate ventilation] wear respiratory protection.
Response	P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P321 Specific treatment (see ... on this label). P332+P317 If skin irritation occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P317 Get medical help. P333+P317 If skin irritation or rash occurs: Get medical help. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell. P342+P316 If experiencing respiratory symptoms: Get emergency medical help immediately.
Storage	P403+P233 Store in a well-ventilated place. Keep container tightly closed. 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

NO open flames. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. 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

Separated from combustible substances, reducing agents, strong oxidants, strong bases, strong acids and food and feedstuffs. See Chemical Dangers. Ventilation along the floor. Dry. Well closed.Chemical stability: Stable under recommended storage conditions.

See More Phthalic anhydride Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,peptides,electronic chemicals

Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone

Payment Terms:
100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Total Employees:
51-100

Year of Establishment:
2024

A reliable supplier is like insurance.

We are mainly specilized in supply of pharmaceutical intermediates, electronic chemicals，food additives, and other fine chemical products.
Integrity is the foundation, quality is life. We would like to work together with you to build a greener and brighter future.

Website: orientchem.cc
Email: scarlett@orientchem.cc
WhatsApp: +86 17753254221

Inquiry History

118 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Factory Supply Phthalic Anhydride/PA 99.9% CAS: 85-44-9	25 MT	Oct 27, 2023
India	Phthalic Anhydride	26 MT	Aug 29, 2024
Germany	Phthalic Anhydride	230 TON	Jul 22, 2024
Ireland	Phthalic Anhydride	20 TON	Apr 25, 2025
India	Phthalic Anhydride	20.00 MT	Feb 18, 2024
Qatar	Phthalic Anhydride	60.00 TON	May 23, 2024
Philippines	Phthalic Anhydride	20 MT	Jun 20, 2026
India	Phthalic Anhydride	450 MT	Jun 5, 2026
Bangladesh	Phthalic Anhydride	100 G	Apr 30, 2026
Bangladesh	Phthalic Anhydride	100 MT	Apr 26, 2026
Poland	Phthalic anhydride	3.00 20' Fcl	Mar 23, 2026
Saudi Arabia	Phthalic Anhydride	1.00 KG	Mar 3, 2026
Indonesia	Phthalic Anhydride	25 MT	Nov 18, 2025
Pakistan	Phthalic anhydride	8 20' Fcl	Jun 12, 2025
India	Phthalic Anhydride	300 MT	Jun 9, 2025
India	Phthalic Anhydride	20 MT	Jun 6, 2025
India	PHTHALIC ANHYDRIDE	26.00 MT	May 22, 2025
India	Phthalic Anhydride	300 MT	May 12, 2025
Bangladesh	PA	200 MT	Apr 15, 2025
Argentina	Anhídrido Ftálico	1 MT	Feb 28, 2025

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