Isobutyric Acid 异丁酸

CAS 79-31-2 MFCD00002658

化学结构图

79-31-2
SMILES: CC(C)C(=O)O

化学属性

Mol. FormulaC4H8O2
Mol. Weight88.11
Refractive index1.3920 to 1.3950
Boiling Point155°C
Density0.95
Melting Point-47
Autoignition Point824 °F
Vapor Density3.04 (vs air)
Vapor Pressure1.5 mmHg ( 20 °C)
Flash Point55.56°C
TSCAYes
Solubility2 G/L (20 ºC)

别名和识别编码

Chemical NameIsobutyric 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 NumberMFCD00002658
CAS Number79-31-2
PubChem Substance ID6590
EC Number201-195-7
Beilstein Registry Number635770
Merck Number5155
Chemical Name Translation异丁酸
Reaxys-RN635770
Wiswesser Line NotationQVY1&1
LabNetwork Molecule IDLN00225860
InChIInChI=1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)
Canonical SMILESCC(C)C(O)=O
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分类

  • {SNA} Alphabetical Listings, Certified Food Grade Products, Flavors and Fragrances, H-J, I-L, I-N, Kosher Certified Products
  • {SNA} Artemisia vulgaris, Building Blocks, C1 to C5, Carbonyl Compounds, Carboxylic Acids, Chamaemelum nobile (Chamomile tea), Chemical Synthesi
  • {SNA} Acylation Reagents, Analytical Reagents for General Use, Artemisia vulgaris, Chamaemelum nobile (Chamomile tea), Derivatization Reagents, Derivatization Reagents GC, I-N, Puriss p.a., Lavandula angustifolia (Lavendar tea), Panax ginseng, Phytochemicals by Plant (Food/Spice/Herb), Puriss p.a

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。

相关文献及参考

  • Short: IV/1a
  • Short: III/38B
  • Short: IV/6
  • Short: IV/20B
  • Merck: 14,5155 Beilstein:2,288
  • Merck: 14,5155

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。

系列性分类