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CAS: 2605-67-6
分子式: C21H19O2P
分子量: 334.35366
熔点: 164-169℃
中文名称: 
甲基三苯基膦乙酯
甲氧羰基亚甲基三苯基正磷
英文名称: 
Methyl(triphenylphosphoranylidene)acetate
Carbomethoxymethylene triphenylphosphorane
(triphenylphosphoranylidene)-acetic aci methyl ester
methyl (triphenylphosphoranylidene)acetate
推荐供应商
货号品牌产品名称规格包装、参考价格详情
M812967MACKLIN甲氧甲酰基亚甲基三苯基膦98%36元/25g;   112元/100g;   535元/500g;   展开
储存:2~8°C,避光
状态:白色到灰白色结晶粉末
T1363TCIMethyl (Triphenylphosphoranylidene)acetate>98.0%(T)(HPLC)495元/25G;   1750元/100G;   展开

基本信息

纯度/分析方法>98.0%(T)(HPLC)
分子式/分子量C21H19O2P = 334.35
外观与形状(20℃)固体
储存在惰性气体下存放于惰性气体之中
应避免的情况空气
Reaxys-RN618430
PubChem物质ID87577130
SDBS (AIST Spectral DB)29859
MDL编号MFCD00008455

技术规格

AppearanceWhite to Almost white powder to crystal
Purity(HPLC)min. 98.0 area%
Purity(Ester Value)min. 98.0 %
Melting point168.0 to 172.0 ℃

物性(参考值)

熔点169 ℃
292464J&KMethyl (Triphenylphosphoranylidene)acetate98%392元/25G;   1012元/100G;   展开

基本信息

分子式C21H19O2P
分子量334.35
熔点168-172
MDL编码MFCD00008455
Beilstein618430
EINECS 编号220-018-4

安全信息

WGK3
TSCA
A14020Alfa Aesar(Methoxycarbonylmethylene)triphenylphosphorane98%1039元/25g;   3617元/100g;   18087元/500g;   展开

应用
(Methoxycarbonylmethylene)triphenylphosphorane is used in olefination reactions. Further, it undergoes the Wittig reaction with aldehydes to give substituted methyl acrylates. It is used in the preparation of (triphenylphosphoranylidene)-ketene.

备注
Air sensitive. Incompatible with strong oxidizing agents.

基本信息

MDL
MFCD00008455

EINECS
220-018-4

分子式
CH3O2CCH=P(C6H5)3

分子量
334.36

熔点
165-169°

灵敏度
Air Sensitive. Store under Nitrogen. Ambient temperatures.

形态
Crystalline powder

溶解性
Soluble in chloroform. Slightly soluble in ethanol and terahydrofuran. Insoluble in water.

Beilstein
618430

安全信息

危险等级
6.1

包装组
III

TSCA

C16956Alfa AesarMethyl (Triphenylphosphoranylidene)acetate98%1562元/25g;   4639元/100g;   27076元/500g;   展开

基本信息

Ref#
16956

MDL
8455

分子式
C21 H19 O2 P

分子量
334.34

形态
White to cream cryst powder

安全信息

危险等级
6.1

包装组
III

157929Sigma-AldrichMethyl (Triphenylphosphoranylidene)acetate98%160.47元/5 G;   400.1元/25 G;   509.12元/100 G;   展开

产品说明

包装

5, 25, 100 g in poly bottle

应用

Wittig 试剂,用于醛的二碳同素化反应生成 α,β-不饱和酯。在三乙胺存在的条件下,也可用于与重氮基乙酸甲酯反应高效合成吡唑。

基本信息

线性分子式(C6H5)3P=CHCO2CH3
分子量334.35
Beilstein618430
EC 号220-018-4
MDL编号MFCD00008455
PubChem化学物质编号24849709
NACRESNA.22

产品性质

质量水平200
测定98%
形式powder
reaction suitabilityreaction type: C-C Bond Formation
mp168-172 ℃ (lit.)
SMILES stringCOC(=O)C=P(c1ccccc1)(c2ccccc2)c3ccccc3
InChI1S/C21H19O2P/c1-23-21(22)17-24(18-11-5-2-6-12-18,19-13-7-3-8-14-19)20-15-9-4-10-16-20/h2-17H,1H3
InChI keyNTNUDYROPUKXNA-UHFFFAOYSA-N

安全信息

储存分类代码13 - Non Combustible Solids
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
个人防护装备Eyeshields, Gloves, type N95 (US)
003702Fluorochem(Carbomethoxymethylene)triphenylphosphorane98%220元/5g;   242元/10g;   308元/25g;   814元/100g;   展开

基本信息

CAS Number2605-67-6
MDL NumberMFCD00008455
Melting Point164-173℃
Density1.17

安全信息

图形或危害标志
危险性说明 H315: Causes skin irritation.
H319: Causes serious eye irritation.
防范说明 P264: Wash hands thoroughly after handling.
P280: Wear .
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P321: Specific treatment (see . on this label).
P332 + P313: If skin irritation occurs: Get medical advice/ attention.
P337 + P313: If eye irritation persists: Get medical advice/attention.
P362: Take off contaminated clothing and wash before reuse.
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