CAS 79-31-2 MFCD00002658-Isobutyric Acid 异丁酸 TAO{mole}

Isobutyric Acid 异丁酸

CAS 79-31-2 MFCD00002658

化学结构图

SMILES: CC(C)C(=O)O

化学属性

Mol. Formula	C4H8O2
Mol. Weight	88.11
Refractive index	1.3920 to 1.3950
Boiling Point	155°C
Density	0.95
Melting Point	-47
Autoignition Point	824 °F
Vapor Density	3.04 (vs air)
Vapor Pressure	1.5 mmHg ( 20 °C)
Flash Point	55.56°C
TSCA	Yes
Solubility	2 G/L (20 ºC)

别名和识别编码

Chemical Name	Isobutyric Acid
Synonym	Isobutanoic acid {LY} Isobutanoic acid Isopropylformic acid Kyselina isomaselna Propionic acid, 2-methyl- ethyl-2-hexanoic acid {} {LY} Isobutanoic acid {} {} {LY} Isobutanoic acid {} {} {} {LY} Isobutanoic acid {} {} {} {} {LY} Isobutanoic acid {} {} {} {} {} {LY} Isobutanoic acid {} {} {} {} {} {} {LY} Isobutanoic acid {} {} {} {} {} {} {} {LY} Isobutanoic acid {} {} {} {} {} {} {} {} {LY} Isobutanoic acid {} {} {} {} {} {} {} {} {} {LY} Isobutanoic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Isobutanoic acid {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {LY} Isobutanoic acid {} {} {} {} {} {} {} {} {} {} {} {} {LY} Isobutanoic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Isobutanoic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Isobutanoic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Isobuta
MDL Number	MFCD00002658
CAS Number	79-31-2
PubChem Substance ID	6590
EC Number	201-195-7
Beilstein Registry Number	635770
Merck Number	5155
Chemical Name Translation	异丁酸
Reaxys-RN	635770
Wiswesser Line Notation	QVY1&1
LabNetwork Molecule ID	LN00225860
InChI	InChI=1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)
Canonical SMILES	CC(C)C(O)=O

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产品应用

用作脂类的溶剂，有机合成中也用于香精、香料的制备和作防腐剂等．皮革脱灰。消毒剂。

安全信息

GHS Symbol

WGK Germany1

Hazard Codes 3 C

Hazard statements

H226 Flammable liquid and vapour 易燃液体和蒸气
H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
H302 Harmful if swallowed 吞食有害
H311 Toxic in contact with skin 皮肤接触中毒
H312 Harmful in contact with skin 皮肤接触有害

Precautionary statements

P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
P233 Keep container tightly closed. ?保持容器密闭。
P234 Keep only in original container. 只保留在原来的容器中。
P240 Ground/bond container and receiving equipment. 与地面接触/连接集装箱和接受设备。
P241+P242+P243
P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西，喝水或吸烟。
P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
P301+P330+P331+P310
P303+P361+P353
P303+P361+P353+P310+P363
P304+P340+P310
P305+P351+P338
P305+P351+P338+P310
P370+P378
P390 Absorb spillage to prevent material damage. 吸收溢出物，防止重大损害。
P403+P235
P405 Store locked up. 上锁保管。
P406 Store in corrosive resistant/… container with a resistant inner liner. 存放在耐腐蚀/具有耐性的内衬容器。
P501 Dispose of contents/container to..… 处理内容物/容器.....

Signal word Danger Warning

Safety Statements

S24/25 Avoid contact with skin and eyes 避免皮肤和眼睛接触；

Risk Statements

R10 Flammable 易燃
R21/22 Harmful in contact with skin and if swallowed 皮肤接触和不慎吞咽有害
R34 Causes burns 会导致灼伤
R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性

Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter

RTECSNQ4375000

Packing GroupIII

UN Number 2529

Storage condition 2-8°C {LY} 2-8°C {} {LY} 2-8°C {} {} {LY} 2-8°C {} {} {} {LY} 2-8°C {} {} {} {} {LY} 2-8°C {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {

Hazard Class3/8

Warnings 危化品目录(2015)

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 280 uL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   23,95,1962

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 uL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   23,95,1962

Restrict 危险品

其他信息

有类似丁酸的强烈刺激性气味。能与水、乙醇、乙醚、氯仿混溶，溶于6份水。易燃。低毒，半数致死量（大鼠，经口）2.81g/kg。有腐蚀性。异丁酸以游离状态存在于稻谷、豆类和山金车花的根中，其乙酯存在于巴豆油中。