Glycerin CAS 56-81-5

Chemical Property:

Molecular Formula	C3H8O3
Molar Mass	92.09 ib
Qhov ntom	1.25 g / ml (lit.)
Melting Point	20 ° C (lit.)
Boling Point	290 ° C
Kev sib hloov tshwj xeeb (α)	n20/D 1.474 (lit.)
Flash Point	320 ° F
JECFA Number	909 ib
Dej Solubility	≥500g / L (20 ºC)
Solubility	Nws yog miscible hauv cawv, miscible nrog dej, insoluble hauv chloroform, ether, thiab roj.
Vapor Siab	≤ 1 mm Hg (20 ° C)
Vapor Density	3.1 (vs huab cua)
Qhov tshwm sim	Ntshiab viscous kua
Specific Gravity	1.265 (15/15 ℃) 1.262
Xim	PIB: ≤10
tsw	Tsis hnov tsw.
Exposure Limit	OSHA: TWA 15 mg/m3; TWA 5 mg/m3
Qhov siab tshaj plaws wavelength (λmax)	['λ: 260 nm Amax: 0.05', , 'λ: 280 nm Amax: 0.04']
Merck	14, 4484 ib
BRN	635685 ua
pKa	14.15 (ntawm 25 ℃)
PH	5.5-8 (25 ℃, 5M hauv H2O)
Kev cia khoom	Khaws ntawm +5 ° C rau + 30 ° C.
Kev ruaj ntseg	ruaj khov. Incompatible nrog perchloric acid, lead oxide, acetic anhydride, nitrobenzene, chlorine, peroxides, muaj zog acids, muaj zog hauv paus. Hluav taws kub.
rhiab heev	Hygroscopic
Explosive txwv	2.6-11.3% (V)
Refractive Index	n20/D 1.474 (lit.)
MDL	PAB 00004722
Physical thiab Chemical Properties	Tsis muaj xim, pob tshab, tsis muaj ntxhiab, kua nplaum, qab zib, nrog hygroscopicity. Lub solubility yog miscible nrog dej thiab ethanol, thiab cov kua aqueous yog nruab nrab. Soluble hauv 11 npaug ntawm ethyl acetate, txog 500 npaug ntawm ether. Insoluble hauv benzene, chloroform, carbon tetrachloride, carbon disulfide, roj av ether, roj.
Siv	Siv raws li cov organic chemical raw cov ntaub ntawv, dav siv hauv tshuaj, khoom noj, tshuaj txhua hnub, textile, ntawv, xim thiab lwm yam lag luam

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Risk Codes	R36 - Khau qhov muag R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos. R11 - Cov nplaim hluav taws kub heev
Kev nyab xeeb piav qhia	S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. S39 - Hnav qhov muag / ntsej muag tiv thaiv. S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
UN IDs	UN 1282 3/PG 2
WGK Germany	1
RTECS	MAS 8050000
FLUKA BRAND F CODE	3
TSCA	Yog lawm
HS Code	29054500 ib
Toxicity	LD50 hauv nas (ml / kg): > 20 qhov ncauj; 4.4 IV (Bartsch) TSI

Taw qhia

Soluble hauv dej thiab cawv, insoluble hauv ether, benzene, chloroform thiab carbon disulfide, thiab yooj yim nqus dej hauv huab cua. Nws muaj qhov sov so qab zib. Nws tuaj yeem nqus dej noo los ntawm huab cua, nrog rau hydrogen sulfide, hydrogen cyanide thiab sulfur dioxide. Nruab nrab rau litmus. Lub sijhawm ntev ntawm qhov kub ntawm 0 ℃, muaj zog oxidants xws li chromium trioxide, potassium chlorate, thiab poov tshuaj permanganate tuaj yeem ua rau tawg thiab tawg. Muaj peev xwm ua kom tsis zoo nrog dej thiab ethanol, 1 feem ntawm cov khoom no tuaj yeem soluble hauv 11 feem ntawm ethyl acetate, txog 500 feem ntawm ether, insoluble hauv chloroform, carbon tetrachloride, roj av ether thiab roj. Medium lethal koob (nas, qhov ncauj)> 20ml / kg. Nws yog khaus.

Yav dhau los: 1,3-Benzodioxole CAS 274-09-9

Tom ntej: Iodine CAS 7553-56-2

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