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乙炔二羧酸

Acetylenedicarboxylic Acid
产品编号:3026190
规格:97%
CAS NO:142-45-0
包装规格:5g,25g,100g
产品类别:进口试剂
品牌:Alfa Aesar
优惠价:立即咨询
产品编号包装单位单价(元)国内现货国外库存询价单
30261905g492
302619025g1600
3026190100g5300
产品别名

142-45-0

乙炔二羧酸

Acetylenedicarboxylic Acid

Butynedioic acid

基本信息
应用
Acetylenedicarboxylic acid is employed in the preparation of dimethyl acetylenedicarboxylate and potassium hydrogenacetylenedicarboxylate. It is also used as a laboratory reagent. Further, it is used as a precursor in organic synthesis and also serves as a pharmaceutical intermediate.
备注
Air sensitive. Store in a cool place. Incompatible with bases, alkali, reducing agents and oxidizing agents.
MDL
MFCD00004362
EINECS
205-536-0
分子式
HO2CC≡CCO2H
分子量
114.06
熔点
ca 182° dec.
闪点
131°(267°F)
灵敏度
Keep Cold.
形态
Powder
溶解性
Soluble in diethyl ether and water.
Beilstein
878357
包装组
III
危险类别
23/24/25-34
Toxic by inhalation, in contact with skin and if swallowed.Causes burns.
安全信息
危险等级
6.1
安全等级
26-27-36/37/39-45
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Take off immediately all contaminated clothing.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).
TSCA
GHS危害和防范说明
GHS符号
  
Hazard Statements
H300-H310-H330-H314-H318
Fatal if swallowed.Fatal in contact with skin.Fatal if inhaled.Causes severe skin burns and eye damage.Causes serious eye damage.
Precautionary Statements
P301+P310a-P303+P361+P353-P304+P340-P305+P351+P338-P320-P405-P501a
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Specific treatment is urgent (see label).Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.
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