Shanghai Nianxing Industrial Co., Ltd
China
Product Name: trioctylphosphane oxide
Price: Check
Purity: 90.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: trioctylphosphane oxide
Price: ￥748.0/100g ￥278.0/25g ￥98.0/5g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Trioctylphosphine 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: TIANFU-CHEM Trioctylphosphine oxide
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

78-50-2

78-50-2 structure

78-50-2 structure

Name: trioctylphosphane oxide
Chemical Name: Trioctylphosphine oxide
CAS Number: 78-50-2
Molecular Formula: C₂₄H₅₁OP
Molecular Weight: 386.635
Catalog: Organic raw materials Organic phosphine compound
Create Date: 2018-03-01 08:00:00
Modify Date: 2025-08-24 18:45:24

Name	Trioctylphosphine oxide
Synonyms	trioctylphosphane oxide 1-dioctylphosphoryloctane EINECS 201-121-3 tri-n-octylphosphine oxide MFCD00002083 Trioctylphosphine oxide Phosphorane, trioctyl-, oxide

Density	0.9±0.1 g/cm3
Boiling Point	408.8±0.0 °C at 760 mmHg
Melting Point	50-52 °C(lit.)
Molecular Formula	C₂₄H₅₁OP
Molecular Weight	386.635
Flash Point	259.8±21.5 °C
Exact Mass	386.367737
PSA	26.88000
LogP	9.40
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.448
Stability	Stable. Incompatible with strong oxidizing agents.
Water Solubility	Insoluble

Symbol	GHS05
Signal Word	Danger
Hazard Statements	H315-H318
Precautionary Statements	P280-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R38;R41
Safety Phrases	S26-S36/39-S39
RIDADR	3261.0
WGK Germany	2
RTECS	SZ1662500
Packaging Group	II
Hazard Class	8.0
HS Code	32019090

Precursor 9
4731-53-7 22585-81-5 111-85-3 3011-82-3
111-83-1 106446-20-2 17049-49-9 1779-48-2
107694-27-9
DownStream 3
307-34-6 58431-38-2 4731-53-7

HS Code	32019090

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