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1,2-Propanediol(CAS#57-55-6) Hoton da aka Fito
  • 1,2-Propanediol(CAS#57-55-6) 1

1,2-Propanediol (CAS#57-55-6)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C3H8O2
Molar Mass 76.09
Yawan yawa 1.036 g/ml a 25 °C (lit.)
Matsayin narkewa -60 °C (lit.)
Matsayin Boling 187 ° C (launi)
Takamaiman Juyawa (α) n20/D 1.432 (lit.)
Wurin Flash 225°F
Lambar JECFA 925
Ruwan Solubility miscible
Solubility Miscible a cikin ruwa, acetone, ethyl acetate da chloroform, mai narkewa a cikin ether. Ana iya narkar da shi a cikin mai da yawa masu mahimmanci, amma ba za a iya haɗa shi da ether na man fetur, paraffin da maiko ba.
Tashin Turi 0.08 mm Hg (20 ° C)
Yawan Turi 2.62 (Vs iska)
Bayyanar Liquid Viscous
Takamaiman Nauyi 1.038 (20/20 ℃) ​​1.036 ~ 1.040
Launi Saukewa: ≤10
Merck 14,7855
BRN 1340498
pKa 14.49± 0.20 (An annabta)
PH 6-8 (100g/l, H2O, 20 ℃)
Yanayin Ajiya Adana a zazzabi +5°C zuwa +30°C.
M Hygroscopic
Iyakar fashewa 2.4-17.4% (V)
Fihirisar Refractive n20/D 1.432 (lit.)
MDL Saukewa: MFCD00064272
Abubuwan Jiki da Sinadarai Ruwa mara launi, danko da karko mai shayar da ruwa, kusan mara dadi da wari.
wurin narkewa -60 ℃
tafasar batu 187.3 ℃
girman dangi 1.0381
index 1.4326
99 ℃
solubility, ethanol da iri-iri na Organic kaushi miscible.
Amfani Ana amfani dashi azaman guduro, filastikizer, surfactant, emulsifier da demulsifier na albarkatun ƙasa, Hakanan ana iya amfani dashi azaman maganin daskarewa da mai ɗaukar zafi.

Cikakken Bayani

Tags samfurin

Bayanin Tsaro 24/25 - Guji hulɗa da fata da idanu.
WGK Jamus 1
RTECS TY200000
Farashin TSCA Ee
HS Code Farashin 29053200
Guba LD50 baki a cikin zomo: 19400 - 36000 mg/kg LD50 dermal Rabbit 20800 mg/kg

 

Gabatarwa

Dan yaji. Yana da sauƙi don ɗaukar danshi kuma yana da kwanciyar hankali a ƙarƙashin yanayi na al'ada, amma yana da sauƙi don samar da propionaldehyde, lactic acid, pyruvate da acetic acid a yanayin zafi. Yana da miskible da ruwa, acetone da chloroform, kuma mai narkewa a cikin ether. Matsakaicin adadin kisa (bera, baka) shine 25ml/kg.

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