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ngwaahịa

Glycerin CAS 56-81-5

Ngwongwo kemịkalụ:

Usoro ihe omimi C3H8O3
Molar Mass 92.09
Njupụta 1.25 g/mL (ọkụ)
Ebe Na-agbaze 20°C (ọkụ)
Ebe Boling 290 Celsius C
Ntụgharị pụrụ iche(α) n20/D 1.474 (ọkụ)
Ebe mgbari 320°F
Nọmba JECFA 909
Mmiri Solubility > 500 g/L (20 ºC)
Solubility Ọ bụ mmanya na-aba n'anya, a na-emegharị ya na mmiri, na-adịghị edozi na chloroform, ether, na mmanụ.
Uzuoku nrịbama <1 mm Hg (20 Celsius)
Uzuoku Njupụta 3.1 (vs ikuku)
Ọdịdị Kpochapụ Liquid Viscous
Nnukwu ike ndọda 1.265 (15/15 ℃) 1.262
Agba APHA: ≤10
Isi Enweghị isi.
Oke ngosi OSHA: TWA 15 mg/m3; TWA 5 mg/m3
Ogologo ikuku kacha (λ kacha) ['λ: 260 nm Amax: 0.05',
, 'λ: 280 nm Amax: 0.04']
Merck 14,4484
BRN 635685
pKa 14.15 (na 25 ℃)
PH 5.5-8 (25 ℃, 5M na H2O)
Ọnọdụ Nchekwa Na-echekwa na +5°C ruo +30°C.
Nkwụsi ike Kwụsie ike. Ekwekọrịtaghị na perchloric acid, lead oxide, acetic anhydride, nitrobenzene, chlorine, peroxides, acid siri ike, ntọala siri ike. Na-agbanyụ ọkụ.
Mmetụta Hygroscopic
Oke ihe mgbawa 2.6-11.3% (V)
Ntụgharị ntụgharị uche n20/D 1.474 (ọkụ)
MDL MFCD00004722
Njirimara anụ ahụ na kemịkalụ Na-enweghị agba, uzo, enweghị isi, mmiri mmiri viscous, ụtọ, nwere hygroscopicity.
The solubility bụ miscible na mmiri na ethanol, na aqueous ngwọta na-anọpụ iche. Igbari n'ime oge 11 nke ethyl acetate, ihe dị ka ugboro 500 nke ether. Na-adịghị ike na benzene, chloroform, carbon tetrachloride, carbon disulfide, petroleum ether, mmanụ.
Jiri Ejiri ya dị ka akụrụngwa kemịkalụ kemịkalụ, nke a na-ejikarị na ọgwụ, nri, kemịkalụ kwa ụbọchị, textile, akwụkwọ, agba na ụlọ ọrụ ndị ọzọ.

Nkọwa ngwaahịa

Mkpado ngwaahịa

Koodu ihe egwu R36 - na-ewe iwe na anya
R20/21/22 - na-emerụ ahụ site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na loro ya.
R11 - Na-agba ọkụ nke ukwuu
Nkọwapụta nchekwa S24/25 - Zere kọntaktị na akpụkpọ ahụ na anya.
S39 - Yiri anya / nchedo ihu.
S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
NJ UN UN 1282 3/PG 2
WGK Germany 1
RTECS MA8050000
Koodu FLUKA BRAND F 3
TSCA Ee
Koodu HS 29054500
Nsi LD50 n'ime oke (ml/kg):>20 ọnụ; 4.4 iv (Bartsch)

 

Okwu mmalite

Na-agbaze n'ime mmiri na mmanya na-aba n'anya, nke na-adịghị edozi na ether, benzene, chloroform na carbon disulfide, na-amịkọrọ mmiri ngwa ngwa n'ikuku. Ọ nwere ụtọ ụtọ ụtọ. Ọ nwere ike ịmịkọrọ mmiri sitere na ikuku, yana hydrogen sulfide, hydrogen cyanide na sulfur dioxide. Na-anọpụ iche na litmus. Ogologo oge na obere okpomọkụ nke 0 ℃, oxidants siri ike dị ka chromium trioxide, potassium chlorate, na potassium permanganate nwere ike ime ka ọkụ na mgbawa. Enwere ike ịmegharị ya na mmiri na ethanol, akụkụ 1 nke ngwaahịa a nwere ike ịsacha n'akụkụ 11 nke ethyl acetate, ihe dị ka akụkụ 500 nke ether, enweghị ike ime na chloroform, carbon tetrachloride, petroleum ether na mmanụ. Ọgwụ na-egbu egbu (oke, ọnụ)>20ml/kg. Ọ na-akpasu iwe.


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