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Vanillin (CAS#121-33-5)

Ngwongwo kemịkalụ:

Usoro ihe omimi C8H8O3
Molar Mass 152.15
Njupụta 1.06
Ebe Na-agbaze 81-83C (ọkụ)
Ebe Boling 170°C15mm Hg(ọkụ)
Ebe mgbari 147 Celsius C
Nọmba JECFA 889
Mmiri Solubility 10 g/L (25ºC)
Solubility Soluble na 125 ugboro mmiri, 20 ugboro ethylene glycol na 2 ugboro 95% ethanol, soluble na chloroform.
Uzuoku nrịbama >0.01 mm Hg (25 Celsius C)
Uzuoku Njupụta 5.3 (vs ikuku)
Ọdịdị kristal agịga ọcha.
Agba Ọcha na-acha odo odo
Merck 14,9932
BRN 472792
pKa pKa 7.396 ± 0.004 (H2OI = 0.00t = 25.0± 1.0) (Ntụkwasị obi)
PH 4.3 (10g/l, H2O, 20℃)
Ọnọdụ Nchekwa 2-8 Celsius C
Nkwụsi ike Kwụsie ike. Enwere ike ịcha agba na mkpughe na ìhè. Mmiri-enwe mmetụta. Na-ekwekọghị na ihe ndị na-egbu egbu siri ike, perchloric acid.
Mmetụta Ikuku & Light Mmetụta
Ntụgharị uche 1.4850 (atụmatụ)
MDL MFCD00006942
Njirimara anụ ahụ na kemịkalụ kristal dị ka agịga ọcha. Isi ísì ụtọ.
Jiri Dị ka ọkọlọtọ reagent maka organic analysis

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xi - mgbakasị ahụ
Koodu ihe egwu R22 - na-emerụ ma ọ bụrụ na iloro ya
R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
R36 - na-ewe iwe na anya
Nkọwapụta nchekwa 26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
WGK Germany 1
RTECS YW5775000
TSCA Ee
Koodu HS 29124100
Nsi LD50 ọnụ na oke, Guinea pigs: 1580, 1400 mg/kg (Jenner)

 

Okwu mmalite

Vanillin, nke a na-akpọ kemịkalụ dị ka vanillin, bụ ngwakọta organic nwere isi na ụtọ pụrụ iche.

 

Enwere ọtụtụ ụzọ isi mee vanillin. Usoro a na-ejikarị eme ihe bụ nke a na-ewepụta ma ọ bụ mejupụta ya na vanilla eke. Ihe ndị e ji emepụta vanilla eke na-agụnye resin ahịhịa a na-amịpụta na pọd vanilla bean na osisi vanillin nke a na-ewepụta n'osisi. Usoro njikọ bụ iji raw phenol site na mmeghachi omume condensation phenolic iji mepụta vanillin.

Vanillin bụ ihe na-ere ọkụ, ekwesịrị ka echekwa ya ka ọ ghara imeghe ọkụ na oke okpomọkụ. Yiri gloves nchebe na anya mgbe ị na-arụ ọrụ ka ịzenarị akpụkpọ ahụ na anya. E kwesịkwara izere iku ume nke uzuzu ya ma ọ bụ vapors ma rụọ ọrụ n'ebe ikuku na-ekpo ọkụ. A na-ewerekarị Vanillin dị ka kemịkalụ dị oke nchebe nke na-adịghị emerụ mmadụ ahụ nke ukwuu mgbe ejiri ya ma chekwaa ya nke ọma. Otú ọ dị, maka ụfọdụ ndị nwere allergies, ogologo oge ma ọ bụ nnukwu ikpughe na vanillin nwere ike ịkpata mmeghachi ahụ nfụkasị ahụ ma ekwesịrị iji nlezianya mee ya.


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