CAS 2834-23-3; 氯二氟乙酸酐; chlorodifluoro-acetic aci anhydride

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规格

包装、参考价格

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C805705

MACKLIN

氯二氟乙酸酐

98%

99元/1g; 299元/5g; 1099元/25g; 4199元/100g;

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储存：室温
状态：无色液体
折射率：1.347

C1503

TCI

Chlorodifluoroacetic Anhydride

>98.0%(T)

650元/10G; 1090元/25G;

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基本信息

纯度/分析方法	>98.0%(T)
分子式/分子量	C₄Cl₂F₄O₃ = 242.93
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	1912832
PubChem物质ID	87566500
SDBS (AIST Spectral DB)	23234
MDL编号	MFCD00000774

技术规格

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

物性(参考值)

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。 H290 : 可能腐蚀金属。
防范说明	P501 : 将内装物/容器送到批准的废物处理厂处理。 P234 : 只能在原容器中存放。 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。 P390 : 吸收溢出物，防止材料损坏。 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。 P406 : 贮存于抗腐蚀/带抗腐蚀衬里的容器中。 P405 : 存放处须加锁。

运输信息

UN编号	UN3265
类别	8
包装类别	II
监管条件代码(*)

A12432

Alfa Aesar

Chlorodifluoroacetic Anhydride

98+%

989元/10g; 3641元/50g; 17117元/250g;

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应用
It is used as the reagent for the derivatization of amines, alcohols, etc., for GC purposes. It has been utilized for dual element acetylation tagging derivatization of amines by using microwave sustained helium emission detector1 and as a derivatization reagent in determination of estrone and 17β-estradiol in hair by GC-MS2.

备注
Moisture sensitive. Handle under dry protective gas. Keep away from oxidizing agents, strong bases.

基本信息

MDL
MFCD00000774

EINECS
220-603-4

分子式
(ClCF₂CO)₂O

分子量
242.94

沸点
92-93°

密度
1.393

折射率
1.3470

灵敏度
Moisture Sensitive. Ambient temperatures.

形态
Liquid

溶解性
Slightly Soluble in water. (1.4 g/L) (25°C)

Beilstein
1912832

GHS危害和防范说明

GHS符号

Hazard Statements
H314-H318
Causes severe skin burns and eye damage.Causes serious eye damage.

Precautionary Statements
P260h-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a
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.IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险等级
8

包装组
II

危险类别
34
Causes burns.

安全等级
26-36/37/39-45
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).

欧盟危险品标志

TSCA
是

252069

Sigma-Aldrich

Chlorodifluoroacetic Anhydride

98%

1553.4元/25 G;

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产品说明

一般描述

Photolysis of the vapour of chlorodifluoroacetic anhydride has been studied over the range 19-201℃ using 248nm radiation.

应用

Chlorodifluoroacetic anhydride has been used:

for dual element acetylation tagging derivatization of amines by using microwave sustained helium emission detector
as derivatization reagent in determination of estrone and 17β-estradiol in hair by GC-MS

包装

25 g in glass bottle

基本信息

线性分子式	(ClCF₂CO)₂O
分子量	242.94
EC 号	220-603-4
MDL编号	MFCD00000774
PubChem化学物质编号	24855179

产品性质

质量水平	100
测定	98%
形式	liquid
折射率	n20/D 1.347 (lit.)
bp	96-97 ℃ (lit.)
密度	1.395 g/mL at 25 ℃ (lit.)
SMILES string	FC(F)(Cl)C(=O)OC(=O)C(F)(F)Cl
InChI	1S/C4Cl2F4O3/c5-3(7,8)1(11)13-2(12)4(6,9)10
InChI key	VBJIFLOSOQGDRZ-UHFFFAOYSA-N

安全信息

象形图
警示用语：	Danger
危险声明	H301 - H312 - H314
预防措施声明	P270 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P362 + P364
危险分类	Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Eye Dam. 1 - Skin Corr. 1B
储存分类代码	6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

002452

Fluorochem

Chlorodifluoroacetic Anhydride

98%

726元/5g; 2134元/25g;

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基本信息

CAS Number	2834-23-3
MDL Number	MFCD00000774
Boiling Point	92-93℃
Density	1.393

安全信息

图形或危害标志
危险性说明	H301: Toxic if swallowed. H312: Harmful in contact with skin. H314: Causes severe skin burns and eye damage. H318: Causes serious eye damage.
防范说明	P260: Do not breathe . P264: Wash hands thoroughly after handling. P270: Do not eat, drink or smoke when using this product. P280: Wear . P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. 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. P312: Call a POISON CENTER or doctor/physician if you feel unwell. P321: Specific treatment (see . on this label). P322: Specific measures (see . on this label). P330: Rinse mouth. P363: Wash contaminated clothing before reuse. P405: Store locked up. P501: Dispose of contents/container to local regulations.