国产精品无码AV无码|亚洲综合缴情综偷拍自|熟女五十路开心久久伊人|久久国产精品三区色最新|亚洲一区二区无码人妻视频|欧美午夜理伦三级在线观看|在线视频福利成人免费app|久久久久无码精品国产91福利

1,4-butyrolactone (GBL)


1. Chemical name:4-Hydroxybutyric acid gamma-lactone; BLO; Butyronitrile,99%; 4,5-Dihydro-2(3H)-furanone; 4-Hydroxybutyric acid lactone; n-Butyronitrile; γ-butyrolactone; γ-butyrolactone(99.5%); Gamma ButyroLactone; 1,4-Butyrolactone; 2,3-dihydroxybutanoic acid; GBL; γ-Butyroalctone; Gamma-Butyroalctone
2. CAS No.: 96-48-0
3. Molecular formula: C4H6O2
4. Molecular weight: 86.09
5. Structural formula:
6, Specific gravity 1.128
7, Melting point: -44℃
8. Boiling point: 206℃
9. Flash point: 99.2℃
10, Refractive index (nd20):1.434
Colorless and transparent, oily liquid with smell similar to acetone, miscible with water, acetone, carbon tetrachloride and ethanol, decomposed in hot alkali solution, with aromatic smell. The product can be used for manufacturing a-pyrrolidone, N-methylpyrrolidone and polyvinylpyrrolidone, and is also an ideal antioxidant, plasticizer, extractant, absorbent, dispersant, color fixing agent and coagulant;In the pharmaceutical industry can be used as anesthetics and sedatives, can synthesize ciprofloxacin and interferon. Is an intermediate of vitamins, cyclopropylamine, etc.;It is also widely used in agriculture and forestry as an intermediate in the production of plant growth regulators, pesticides, etc. In addition, can also be used as batteries, capacitors, color film color, etc.
   
Item First grade Top grade
Purity, %≥ 99 99.5
Moisture, % ≤ 0.05 0.03
Chroma (Pt-Co)#≤ 10
Density(20℃), g/cm3 1.125~1.135
Packaging:200KG in Galvanized drum / 200KG in PE drum / 1000L in IBC drum / loose packing ISO TANK

Storage and transportation: Store in a cool, ventilated warehouse, away from kindling and heat source. When handling, handle with care, keep the package intact and prevent leakage.




  Previous product: PVP-K homopolymerization
  Next product: None

SHOW| 梧州市| 中宁县| 江川县| 阿克| 乐平市| 马关县| 依安县| 图们市| 兴城市| 吉林省| 靖西县| 浦城县| 门头沟区| 高尔夫| 玉环县| 青海省| 卫辉市| 墨竹工卡县| 广东省| 翁牛特旗| 百色市| 乌苏市| 临高县| 长葛市| 合水县| 四子王旗| 威远县| 高台县| 邯郸县| 京山县| 犍为县| 荣昌县| 罗甸县| 凤庆县| 雅江县| 石家庄市| 江北区| 黑河市| 云林县| 湛江市|