CAS 454-31-9; 二氟乙酸乙酯; difluoro-acetic acid ethyl ester

推荐供应商

货号

品牌

产品名称

规格

包装、参考价格

详情

E808665

MACKLIN

二氟乙酸乙酯

97%

29元/5g; 39元/25g; 76元/100g; 290元/500g; 1380元/2.5kg;

展开

储存：室温
状态：无色液体
折射率：1.3465-1.3485

D2498

TCI

Ethyl Difluoroacetate

>98.0%(GC)

135元/5G; 430元/25G;

展开

基本信息

纯度/分析方法	>98.0%(GC)
分子式/分子量	C₄H₆F₂O₂ = 124.09
外观与形状(20℃)	液体
储存在惰性气体下	存放于惰性气体之中
应避免的情况	湿气 (分解)
Reaxys-RN	1748597
PubChem物质ID	87568923
SDBS (AIST Spectral DB)	19872
MDL编号	MFCD00013578

技术规格

Appearance	Colorless to Almost colorless clear liquid
Purity(GC)	min. 98.0 %

物性(参考值)

沸点	98 ℃
闪点	24 ℃
比重	1.18
折射率	1.35

安全信息

图形或危害标志
信号词	危险
危险性说明	H314 : 造成严重皮肤灼伤和眼损伤。 H226 : 易燃液体和蒸气。
防范说明	P501 : 将内装物/容器送到批准的废物处理厂处理。 P240 : 容器和装载设备接地/等势联接。 P210 : 远离热源/火花/明火/热表面。禁止吸烟。 P233 : 保持容器密闭。 P243 : 采取防止静电放电的措施。 P241 : 使用防爆的电气/通风/照明设备。 P242 : 只能使用不产生火花的工具。 P264 : 作业后彻底清洗皮肤。 P280 : 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P370 + P378 : 火灾时：使用干砂、干粉或抗醇泡沫灭火。 P303 + P361 + P353 : 如皮肤(或头发)沾染：立即脱掉所有沾污的衣物。用水清洗皮肤/淋浴。 P301 + P330 + P331 : 如误吞咽：漱口。不要诱导呕吐。 P363 : 沾染的衣服清洗后方可重新使用。 P304 + P340 + P310 : 如误吸入：将人转移到空气新鲜处，保持呼吸舒适体位。立即呼叫急救中心/医生。 P305 + P351 + P338 + P310 : 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。立即呼叫急救中心/医生。 P403 + P235 : 存放在通风良好的地方。保持低温。 P405 : 存放处须加锁。

运输信息

UN编号	UN2924
类别	3 / 8
包装类别	III
监管条件代码(*)

297503

J&K

Ethyl Difluoroacetate

97%

84元/5G; 127元/25G; 361元/100G;

展开

基本信息

分子式	C₄H₆F₂O₂
分子量	124.09
沸点	99.2
闪点	23
密度	1.18
折光率(n20D)	1.3470
MDL编码	MFCD00013578
Beilstein	1748597
EINECS 编号	207-223-4

安全信息

图形或危害标志
提示语	Danger
危险说明	H226 H314
防范说明	P280 P305+P351+P338 P310
UN号码	2924
危险分类	3
次要危险性	8
包装等级	III
WGK	3
TSCA	是

A11215

Alfa Aesar

Ethyl Difluoroacetate

98%

1979元/5g; 7326元/25g; 23447元/100g;

展开

应用
Ethyl difluoroacetate is used in pharmaceutical intermediates, acrylization oxidation and halogenating reaction of catalyst. Also ethyl difluoroacetate is used in preparing pyrrazolo-pyrimidine derivatives.

备注
Hygroscopic. Store away from strong oxidizing agents. Keep container tightly closed. Store in cool, dry conditions in well sealed containers.

基本信息

MDL
MFCD00013578

EINECS
207-223-4

分子式
F₂CHCO₂CH₂CH₃

分子量
124.09

沸点
98-99°

闪点
25°(77°F)

密度
1.242

折射率
1.3475

灵敏度
Ambient temperatures.

形态
Liquid

溶解性
Slightly soluble in water

Beilstein
1748597

GHS危害和防范说明

GHS符号

Hazard Statements
H226-H314-H318
Flammable liquid and vapour.Causes severe skin burns and eye damage.Causes serious eye damage.

Precautionary Statements
P210-P260h-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.Keep away from heat/sparks/open flames/hot surfaces. - No smoking.IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险等级
3

包装组
III

危险类别
10-34
Flammable.Causes burns.

安全等级
20-23-26-36/37/39-45-60
When using do not eat or drink.Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer).In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste

欧盟危险品标志

TSCA
是

287628

Sigma-Aldrich

Ethyl Difluoroacetate

97%

265.55元/5 G; 598.9元/25 G;

展开

产品说明

一般描述

二氟乙酸乙酯可被放线菌降解为二氟乙酸。

包装

5, 25 g in glass bottle

基本信息

线性分子式	F₂CHCO₂C₂H₅
分子量	124.09
EC 号	207-223-4
MDL编号	MFCD00013578
PubChem化学物质编号	24857281
NACRES	NA.22

产品性质

质量水平	100
测定	97%
折射率	n20/D 1.347 (lit.)
bp	99.2 ℃ (lit.)
密度	1.18 g/mL at 25 ℃ (lit.)
SMILES string	CCOC(=O)C(F)F
InChI	1S/C4H6F2O2/c1-2-8-4(7)3(5)6/h3H,2H2,1H3
InChI key	GZKHDVAKKLTJPO-UHFFFAOYSA-N

安全信息

象形图
警示用语：	Danger
危险声明	H226 - H314
预防措施声明	P210 - P233 - P240 - P280 - P303 + P361 + P353 - P305 + P351 + P338
危险分类	Flam. Liq. 3 - Skin Corr. 1B
储存分类代码	3 - Flammable liquids
WGK	WGK 3
闪点(F)	75.0 °F - closed cup
闪点(C)	23.9 ℃ - closed cup
个人防护装备	Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

003219

Fluorochem

Ethyl Difluoroacetate

99%

396元/5g; 440元/25g; 726元/100g;

展开

基本信息

CAS Number	454-31-9
MDL Number	MFCD00013578
Boiling Point	98-100℃
Density	1.242

安全信息

图形或危害标志
危险性说明	H226: Flammable liquid and vapour. H314: Causes severe skin burns and eye damage. H318: Causes serious eye damage.
防范说明	P210: Keep away from – No smoking. P233: Keep container tightly closed. P240: Ground/bond container and receiving equipment. P241: Use explosion-proof ./ equipment. P242: Use only non-sparking tools. P243: Take precautionary measures against static discharge. P260: Do not breathe . P264: Wash hands thoroughly after handling. P280: Wear . P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303 + P361 + P353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P310: Immediately call a POISON CENTER or doctor/physician. P321: Specific treatment (see . on this label). P363: Wash contaminated clothing before reuse. P370 + P378: In case of fire: Use sand, CO2 or extinguishing powder for extinction. P403 + P235: Store in a well-ventilated place. Keep cool. P405: Store locked up. P501: Dispose of contents/container to local regulations.