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Keycure 981 Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide CAS 162881-26-7

Name: Keycure 981 Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide CAS 162881-26-7
Brand: SUNTECHEMICAL
SKU: pr2404261147
Price: 18.42 USD
Availability: InStock

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CAS No.:

162881-26-7

Grade:

Industrial Grade

Content:

99%

Port:

SHANGHAI

Brand:

SUNTECHEMICAL

Packaging:

20KG/CARTON

Price valid (until):

2025-05-31

Contact Supplier

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Tianjin Shengtai Chemical Co.,Ltd

Company Type:

Trader

Location:

China

Qualification:

Main Products:

Epichlorohydrin,Epoxy resin,Calcium chloride,2-Hydroxyethyl acrylate (HEA),2-HYDROXYPROPYLACRYLATE(HPA),2-Hydroxy Ethyl Methacrylate (HEMA)

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide

Items	Specifications
1	General Chemical
2	phenyl bis(2,4,6-trimethylbenzoyl)-phosphine oxide
3	Suitable for UV-curable varnish and color paint systems, such as wood, paper, metal, plastic, optical fiber and printing inks and preimpregnation systems

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Application
It is mainly used for the manufacture of thermosetting acrylic paint, light-curing acrylic paint, photosensitive coating, adhesive, textile agents, paper processing, water-quality stabilizers, and polymer materials.

Storage
The company has professional warehouses in Tianjin, Shanghai, Shandong, Nanjing, and other places, with a sufficient supply of goods.
Stored in a dry and ventilated warehouse.

Suntechemical Advantage

Professional warehouse
Three major production bases in North China

Stock all year round
Adequate existing goods supply

Timely delivery
24/7 response to global customers

Company Introduction

Company Introduction
Tianjin Shengtai Chemical Co., Ltd.
Suntechemical is a professional supplier of fine chemicals and one of northern China's largest suppliers. The company has professional warehouses in Tianjin, Shanghai, Shandong, Nanjing, and other places, with a sufficient supply of goods. Now the United States, the European Union, Japan, Canada, and other countries have more than 100 customers to establish stable trade relations.
Our products are widely used in medicine, pesticides, food, oilfield and water treatment, daily chemicals and cosmetics, surfactants, inks, rubber, cement additives, coatings, polyurethanes, adhesives, solvents, additives, leather, textile, printing and dyeing, building materials, metal processing and other fine chemical-related industries.

Certificates

Basic Info

Product Name:

Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide

Other Name:

Methanone,1,1′-(phenylphosphinylidene)bis[1-(2,4,6-trimethylphenyl)-;Phosphine oxide,phenylbis(2,4,6-trimethylbenzoyl)-;1,1′-(Phenylphosphinylidene)bis[1-(2,4,6-trimethylphenyl)methanone];Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide;Irgacure 819;CGI 819XF;Irgacure I 819;Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide;Ciba 819;Irgacure 801;I 819;Irgacure 919;IRG 819;Irgacure 819DW;1,1′-(Phenylphosphinylidene)bis[(2,4,6-trimethylphenyl)methanone];Darocur 819;Chivacure 789;Photoinitiator 819;BAPO;IC 819;Speedcure 819;819DW;Boxing 819;BASF 819;JRCure 1109;XBPO;Photoinitiator 850;Photocuring agent 819;Omnirad 380;Keycure 981;Lunacure 900;Ryoji 819;[Phenyl-(2,4,6-trimethylbenzoyl)phosphoryl]-(2,4,6-trimethylphenyl)methanone;(Phenylphosphoryl)bis(mesitylmethanone);SB-PI 719;Omnirad 819;P 2312;Doublecure 1819;GR-XBPO;Photoinitiator 898;UV-Cure 819;Daido UV-Cure 819;IGM 819;PI 819;Omnirad 819DW;IR 819;725253-72-5;856258-48-5;868272-78-0;2177253-08-4;2387537-12-2

CAS No.:

162881-26-7

Molecular Formula:

C26H27O3P

InChIKeys:

InChIKey=GUCYFKSBFREPBC-UHFFFAOYSA-N

Molecular Weight:

418.46

Exact Mass:

418.46

EC Number:

423-340-5

UNII:

JOV61FMS35

DSSTox ID:

DTXSID8044597

HScode:

29319090

Categories:

Phosphines

Characteristics

PSA:

51.2

XLogP3:

5.49

Appearance:

powder

Density:

1.17±0.1 g/cm3(Predicted)

Melting Point:

131-135 °C(lit.)

Boiling Point:

590.0±60.0 °C(Predicted)

Flash Point:

310.6±32.9 °C

Refractive Index:

1.589

Water Solubility:

acetone, acetonitrile, toluene, and hexanedioldiacrylate: soluble

Vapor Pressure:

6.78E-14mmHg at 25°C

See More Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide Properties 

Hazard Identification

Classification of the substance or mixture

Skin sensitization, Category 1

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 4

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H317 May cause an allergic skin reaction H413 May cause long lasting harmful effects to aquatic life
Prevention	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P273 Avoid release to the environment.
Response	P302+P352 IF ON SKIN: Wash with plenty of water/... P333+P317 If skin irritation or rash occurs: Get medical help. P321 Specific treatment (see ... on this label). P362+P364 Take off contaminated clothing and wash it before reuse.
Storage	none
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 Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Epichlorohydrin,Epoxy resin,Calcium chloride,2-Hydroxyethyl acrylate (HEA),2-HYDROXYPROPYLACRYLATE(HPA),2-Hydroxy Ethyl Methacrylate (HEMA)

Location:
C5-517, Magnetic Capital International Central Avenue, Nankai District, Tianjin, China 300381

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Total Employees:
51-100

Year of Establishment:
2023

Certifications:
Hazardous chemicals business license,Hazardous chemicals business license

Suntechemical located in Tianjin is a professional supplier of fine chemicals. We are manufacturer and trader. Since 2001, we have been acting as a leading supplier of specialty and fine chemicals in China. We handle a wide range of chemicals, including detergent raw materials, food additives, water treatment chemicals as well as textile and tanning-making chemicals. Relying on our professional supply chain management ability, we have established a stable cooperative relationship with domestic and foreign famous company such as DOW CHEMICALS, BASF, HUNTSMAN, TOSOH, DELAMINE, Yangzi Petrochemicals BASF, SINOPEC Group, Shanghai Yuanbang Chemical Industry, Jiangsu Sanmu, etc.

Company Profile

Inquiry History

12 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide	500 G	Sep 1, 2025
Pakistan	Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide	1000 KG	Dec 27, 2024
India	Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide	500 G	Aug 27, 2025
Turkey	Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide	400.00 KG	Sep 11, 2023
India	Photoinitiator 819	200.00 KG	Mar 31, 2025
Spain	Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide	5 KG	Mar 25, 2024
United Arab Emirates	ACRYLOYL MORPHOLINE	200 KG	Apr 9, 2026
Turkey	2-Hydroxy-2-methylpropiophenone	400 KG	Sep 1, 2023
India	Bisphenol A Epoxy Acrylate	20 MT	Feb 27, 2025
Turkey	Phototo initiator	600 KG	Sep 1, 2023
Turkey	4-(4-Methylphenylthio)benzophenone	200 KG	Sep 1, 2023
Turkey	1-Hydroxycyclohexyl phenyl ketone	600 KG	Sep 1, 2023

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