Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Diphenylphosphine oxide
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Diphenylphosphine oxide
Price: ￥128.0/5g ￥408.0/25g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Diphenylphosphine oxide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Diphenylphosphine oxide// DPPO
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Diphenylphosphine oxide
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

4559-70-0

4559-70-0 structure

4559-70-0 structure

Name: Diphenylphosphine oxide
Chemical Name: Diphenylphosphine oxide
CAS Number: 4559-70-0
Molecular Formula: C₁₂H₁₁OP
Molecular Weight: 202.189
Catalog: Organic raw materials Organic phosphine compound
Create Date: 2018-08-19 16:27:13
Modify Date: 2025-08-20 22:43:32

Name	Diphenylphosphine oxide
Synonyms	oxo(diphenyl)phosphanium Diphenylphosphine oxide Phosphorane, diphenyl-, oxide MFCD00002079

Boiling Point	329.2±25.0 °C at 760 mmHg
Melting Point	56-57 °C(lit.)
Molecular Formula	C₁₂H₁₁OP
Molecular Weight	202.189
Flash Point	152.9±23.2 °C
Exact Mass	202.054749
PSA	40.54000
LogP	1.29
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.608-1.61

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn:Harmful;
Risk Phrases	R22;R36/37/38
Safety Phrases	S26
RIDADR	NONH for all modes of transport
WGK Germany	2
HS Code	2902909090

Precursor 9
791-28-6 34117-90-3 829-85-6 1079-66-9
172487-18-2 591-51-5 100-58-3 2213-63-0
53772-44-4
DownStream 10
10557-66-1 4233-13-0 43077-30-1 5931-53-3
4141-48-4 402822-70-2 41593-58-2 402822-72-4
4455-77-0 23040-22-4

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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