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

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

3878-44-2

3878-44-2 structure

3878-44-2 structure

Name: Triphenylphosphine selenide
Chemical Name: Triphenylphosphine Selenide
CAS Number: 3878-44-2
Molecular Formula: C₁₈H₁₆PSe
Molecular Weight: 341.246
Catalog: Organic raw materials Organic phosphine compound
Create Date: 2018-03-28 08:00:00
Modify Date: 2025-08-23 01:06:49

Name	Triphenylphosphine Selenide
Synonyms	Phosphorane, triphenyl-, selenide triphenyl(selanylidene)-λ<sup>5</sup>-phosphane EINECS 223-406-1 Triphenylphosphine selenide

Boiling Point	448.6±28.0 °C at 760 mmHg
Melting Point	186-188ºC
Molecular Formula	C₁₈H₁₆PSe
Molecular Weight	341.246
Flash Point	225.1±24.0 °C
Exact Mass	342.007660
PSA	9.81000
LogP	3.13
Appearance	solid
Vapour Pressure	0.0±1.0 mmHg at 25°C
Storage condition	Store below +30°C.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: SZ2455000

CHEMICAL NAME :: Phosphine selenide, triphenyl-

CAS REGISTRY NUMBER :: 3878-44-2

BEILSTEIN REFERENCE NO. :: 2269139

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C18-H15-P-Se

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >500 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,39,1953

Hazard Codes	T,N
Risk Phrases	R23/25;R33;R50/53
Safety Phrases	S20/21-S28-S45-S60-S61
RIDADR	UN 2811 6.1/PG 2
WGK Germany	3
RTECS	SZ2455000
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2902909090

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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