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

Chemical Property:

Molecular Formula C3H8O2
Molar Mass 76.09 ib
Qhov ntom 1.036 g / mL ntawm 25 ° C (lit.)
Melting Point -60 ° C (lit.)
Boling Point 187 ° C (lit.)
Kev sib hloov tshwj xeeb (α) n20/D 1.432 (lit.)
Flash Point 225 ° F
JECFA Number 925 ib
Dej Solubility miscible
Solubility Miscible hauv dej, acetone, ethyl acetate thiab chloroform, soluble hauv ether. Nws tuaj yeem yaj hauv ntau cov roj yam tseem ceeb, tab sis tsis tuaj yeem sib xyaw nrog roj av ether, paraffin thiab roj.
Vapor Siab 0.08 hli Hg (20 ° C)
Vapor Density 2.62 (vs huab cua)
Qhov tshwm sim Cov kua nplaum
Specific Gravity 1.038 (20/20 ℃) ​​1.036 ~ 1.040
Xim PIB: ≤10
Merck 14,7855 ib
BRN 13 40498 ib
pKa 14.49 ± 0.20 (Tshaj tawm)
PH 6-8 (100g / l, H2O, 20 ℃)
Kev cia khoom Khaws ntawm +5 ° C rau + 30 ° C.
rhiab heev Hygroscopic
Explosive txwv 2.4-17.4% (V)
Refractive Index n20/D 1.432 (lit.)
MDL TIAB SA 00064272
Physical thiab Chemical Properties Tsis muaj xim, khov thiab ruaj khov dej-absorbing kua, yuav luag tasteless thiab tsw.
melting point -60 ℃
Kub taw tes 187.3 ℃
txheeb ze ntom ntom 1.0381
Refractive Index 1.4326
flash point 99 ℃
solubility, ethanol thiab ntau yam organic solvents miscible.
Siv Siv los ua resin, plasticizer, surfactant, emulsifier thiab demulsifier ntawm raw cov ntaub ntawv, kuj siv tau los ua antifreeze thiab tshav kub cab kuj.

Product Detail

Khoom cim npe

Kev nyab xeeb piav qhia 24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
WGK Germany 1
RTECS TY 2000000
TSCA Yog lawm
HS Code 29053200 ib
Toxicity LD50 qhov ncauj hauv luav: 19400 - 36000 mg/kg LD50 dermal luav 20800 mg/kg

 

Taw qhia

Me ntsis ntsim. Nws yog ib qho yooj yim kom nqus dej noo thiab ruaj khov nyob rau hauv ib txwm muaj, tab sis nws yog ib qho yooj yim los tsim propionaldehyde, lactic acid, pyruvate thiab acetic acid ntawm qhov kub thiab txias. Nws yog miscible nrog dej, acetone thiab chloroform, thiab soluble hauv ether. Qhov nruab nrab noj tshuaj tuag (nas, qhov ncauj) yog 25ml / kg.


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