|N|-甲基-|N|-三甲基硅烷三氟乙酰胺

|N|-甲基-|N|-三甲基硅烷三氟乙酰胺用途

【用途一】
气相色谱用衍生试剂中的硅烷衍生试剂，硅烷化试剂与样品化合物的衍生反应是通过硅烷基取代羟基，羧基，巯基，氨基及亚氨基的活性氢而进行的。衍生反应的产物是硅醚或硅酯。几乎所有含这些活性氢的化合物都能与硅烷化试剂发生衍生反应，其反应活性顺序：醇〉酚〉羧酸〉胺〉酰胺。
【用途二】
三甲基硅烷化试剂。

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|N|-甲基-|N|-三甲基硅烷三氟乙酰胺名称

[ CAS 号 ]:
24589-78-4

[ 中文名 ]:
N-甲基-N-(三甲基硅烷基)三氟乙酰胺

[ 英文名 ]:
MSTFA

[中文别名 ]:

[英文别名 ]:

N-Methyl-N-(trimethylsilyl)trifluoroacetamide
N-Trimethylsilyl-N-methyltrifluoroacetamide
MSTFA
MSTFA activated III
EINECS 246-331-6
2,2,2-trifluoro-N-methyl-N-trimethylsilylacetamide
MFCD00000411
N-Trimethylsilyl-N-methyl trifluoroacetamide

|N|-甲基-|N|-三甲基硅烷三氟乙酰胺物理化学性质

[ 密度 ]:
1.1±0.1 g/cm3

[ 沸点 ]:
131.0±0.0 °C at 760 mmHg

[ 熔点 ]:
98-100°C

[ 分子式 ]:
C₆H₁₂F₃NOSi

[ 分子量 ]:
199.246

[ 闪点 ]:
28.0±25.9 °C

[ 精确质量 ]:
199.064026

[ PSA ]:
20.31000

[ LogP ]:
2.09

[ 外观性状 ]:
透明无色至淡黄色液体

[ 蒸汽密度 ]:
>1 (vs air)

[ 蒸汽压 ]:
9.5±0.2 mmHg at 25°C

[ 折射率 ]:
1.381

[ 储存条件 ]:
2-8°C

[ 水溶解性 ]:
reacts

|N|-甲基-|N|-三甲基硅烷三氟乙酰胺MSDS

详细MSDS(安全技术说明书)

|N|-甲基-|N|-三甲基硅烷三氟乙酰胺毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: AC9800000

CHEMICAL NAME :: Acetamide, 2,2,2-trifluoro-N-methyl-N-(trimethylsilyl)-

CAS REGISTRY NUMBER :: 24589-78-4

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C6-H12-F3-N-O-Si

MOLECULAR WEIGHT :: 199.28

WISWESSER LINE NOTATION :: FXFFVN1&-SI-1&1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1 gm/kg

TOXIC EFFECTS :: Immunological Including Allergic - decreased immune response

REFERENCE :: StoGD# Personal Communication from G.D. Stoner, Dept. of Community Medicine, School of Medicine, Univ. of California, La Jolla, CA 92037, May 25, 1975 Volume(issue)/page/year: 27MAY1975

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|N|-甲基-|N|-三甲基硅烷三氟乙酰胺安全信息

[ 符号 ]:

GHS02, GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H226-H315-H319-H335

[ 警示性声明 ]:
P261-P305 + P351 + P338

[ 个人防护装备 ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ 危害码 (欧洲) ]:
Xi:Irritant;

[ 风险声明 (欧洲) ]:
R10;R36/37/38

[ 安全声明 (欧洲) ]:
S26-S36

[ 危险品运输编码 ]:
UN 1993 3/PG 3

[ WGK德国 ]:
3

[ RTECS号 ]:
AC9800000

[ 包装等级 ]:
III

[ 危险类别 ]:
3

[ 海关编码 ]:
2931900090

|N|-甲基-|N|-三甲基硅烷三氟乙酰胺上下游产品

|N|-甲基-|N|-三甲基硅烷三氟乙酰胺上游产品

|N|-甲基-|N|-三甲基硅烷三氟乙酰胺下游产品

|N|-甲基-|N|-三甲基硅烷三氟乙酰胺海关

[ 海关编码 ]: 2931900090

[ 中文概述 ]:
2931900090. 其他有机-无机化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:AB(入境货物通关单,出境货物通关单). 最惠国关税:6.5%. 普通关税:30.0%

[ Summary ]:
2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

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