16033

1,2-Propanediol

meets analytical specification of Ph. Eur., BP, USP, ≥99.5%

• 동의어(들): 1,2-PDO, Propylene glycol
• Linear Formula: CH₃CH(OH)CH₂OH
• CAS Number: 57-55-6
• Molecular Weight: 76.09
• Beilstein: 1340498
• EC Number: 200-338-0
• MDL number: MFCD00064272
• UNSPSC 코드: 12352100
• PubChem Substance ID: 57647543
• NACRES: NA.21

속성

• vapor density: 2.62 (vs air)
• Quality Level: 200
• vapor pressure: 0.08 mmHg ( 20 °C)
• 분석: ≥99.5%
• 양식: liquid
• autoignition temp.: 779 °F
• 품질: meets analytical specification of Ph. Eur., BP, USP
• 유통기한: 24 mo.
• expl. lim.: 12.5 %
• 불순물: acidic reac. impurities, complies; organic volatile impurities, complies (GC); oxidizing substances, complies; reducing matter, complies; residual solvents, complies; ≤0.0005% heavy metals (as Pb); ≤0.002% free alkali (as NaOH); ≤0.003% free acid (as CH₃COOH); ≤0.2% water (Karl Fischer)
• 무기 잔류물: ≤0.005% (as SO₄)
• refractive index: n20/D 1.431-1.433; n20/D 1.432 (lit.)
• bp: 187 °C (lit.)
• mp: −60 °C (lit.)
• density: 1.036 g/mL at 25 °C (lit.)
• 음이온 미량물: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• 적합성: complies for appearance of solution
• 작용기: hydroxyl
• SMILES string: CC(O)CO
• InChI: 1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3
• InChI key: DNIAPMSPPWPWGF-UHFFFAOYSA-N

설명

일반 설명

1,2-Propanediol is an 1,2-alkanediol. It can be obtained from glycerol, via hydrogenolysis in the presence of Ru/C and Amberlyst ion-exchange resins.

1,2-Propanediol is an important petrochemical that can be prepared by the hydrogenolysis of glycerol. It is mainly used as a cryoprotectant for biological samples and also as an additive in food, cosmetic and pharmaceutical industries.

애플리케이션

1,2-Propanediol may be employed as a cryoprotective agent for the preservation (by cooling to sub-zero temperatures) of human embryos and and oocytes (human and mouse).

포장

bottled under inert gas

기타 정보

The article number 16033-4X5L will be discontinued. Please order the single bottle 16033-5L which is physically identical with the same exact specifications.
The article number 16033-6X1L will be discontinued. Please order the single bottle 16033-1L which is physically identical with the same exact specifications.
The article number 16303-4X2.5L-R will be discontinued. Please order the single bottle 16303-2.5L-R which is physically identical with the same exact specifications.

안전성 정보

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 1
• Flash Point (°F): 219.2 °F - closed cup
• Flash Point (°C): 104 °C - closed cup
• 개인 보호 장비: Eyeshields, Gloves