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

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: (Acetylmethylene)triphenylphosphorane
Price: ￥108.0/5g ￥318.0/25g
Purity: 97.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

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

1439-36-7

1439-36-7 structure

1439-36-7 structure

Name: (Acetylmethylene)triphenylphosphorane
Chemical Name: (acetylmethylene)triphenylphosphorane
CAS Number: 1439-36-7
Molecular Formula: C₂₁H₁₉OP
Molecular Weight: 318.349
Catalog: Organic raw materials Organic phosphine compound
Create Date: 2018-06-18 10:20:21
Modify Date: 2025-08-25 13:48:55

Name	(acetylmethylene)triphenylphosphorane
Synonyms	2-Propanone, 1-(triphenylphosphoranylidene)- EINECS 215-878-2 1-(Triphenylphosphoranylidene)-2-propanone 1-Triphenylphosphoranylidene-2-propanone 1-(triphenyl-λ<sup>5</sup>-phosphanylidene)propan-2-one (Acetylmethylene)triphenylphosphorane (Triphenylphosphoranylidene)-2-propanone 1-(Triphenylphosphoranylidene)propan-2-one 2-Propanone, 1- (triphenylphosphoranylidene)- 1-(Triphenylphosphoranylidene)acetone MFCD00008774 1-Triphenylphosphanylidene-propan-2-one

Density	1.1±0.1 g/cm3
Boiling Point	478.5±28.0 °C at 760 mmHg
Melting Point	203-205 °C(lit.)
Molecular Formula	C₂₁H₁₉OP
Molecular Weight	318.349
Flash Point	243.2±24.0 °C
Exact Mass	318.117340
PSA	26.88000
LogP	3.22
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.611
Stability	Stable. Combustible. Incompatible with strong oxidizing agents.

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UC3900000

CHEMICAL NAME :: 2-Propanone, triphenylphosphoranylidene-

CAS REGISTRY NUMBER :: 1439-36-7

BEILSTEIN REFERENCE NO. :: 0750077

LAST UPDATED :: 199612

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C21-H19-O-P

MOLECULAR WEIGHT :: 318.37

WISWESSER LINE NOTATION :: 1V1UPR&R&R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 32 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#01327 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 520 mg/kg/30D-I

TOXIC EFFECTS :: Gastrointestinal - ulceration or bleeding from stomach Blood - normocytic anemia Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 9,2641,1975

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1560 mg/kg/26W-I

TOXIC EFFECTS :: Blood - changes in cell count (unspecified) Blood - changes in spleen Biochemical - Metabolism (Intermediary) - other proteins

REFERENCE :: KSRNAM Kiso to Rinsho. Clinical Report. (Yubunsha Co., Ltd., 1-5, Kanda Suda-Cho, Chiyoda-ku, KS Bldg., Tokyo 101, Japan) V.1- 1960- Volume(issue)/page/year: 9,2641,1975

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Risk Phrases	R22:Harmful if swallowed. R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	UC3900000

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