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ngwaahịa

4-Methylphenylacetic acid (CAS # 622-47-9)

Ngwongwo kemịkalụ:

Usoro ihe omimi C9H10O2
Molar Mass 150.17
Njupụta 1.0858 (atụmatụ siri ike)
Ebe Na-agbaze 88-92 Celsius C (ọkụ)
Ebe Boling 265-267 Celsius C (ọkụ)
Ebe mgbari 265-267°C
Solubility soluble na methanol
Uzuoku nrịbama 0.00442mmHg na 25°C
Ọdịdị kristal dị ọcha
Agba Ọcha
BRN 2043528
pKa pK1: 4.370 (25°C)
Ọnọdụ Nchekwa Emechiri ya na nkụ, Okpomọkụ ụlọ
Ntụgharị uche 1.5002 (atụmatụ)
MDL MFCD00004353
Njirimara anụ ahụ na kemịkalụ Ebe mgbaze 90-93°C
ihe na-esi ísì ụtọ 265-267 ° C
Jiri Maka njikọ organic, ụlọ ọrụ ọgwụ

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xi - mgbakasị ahụ
Koodu ihe egwu 36/37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
Nkọwapụta nchekwa S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S36 - Yiri uwe nchebe kwesịrị ekwesị.
S24/25 - Zere kọntaktị na akpụkpọ ahụ na anya.
WGK Germany 3
RTECS AJ7569000
Koodu HS 29163900
Klas Hazard Iwe

 

Okwu mmalite

Methylphenylacetic acid. Ihe na-esonụ bụ mmalite nke njirimara, ojiji, ụzọ nkwadebe na ozi nchekwa nke p-totophenylacetic acid:

 

Ogo:

- Ọdịdị: Ọdịdị a na-ahụkarị nke methylphenylacetic acid bụ kristal ọcha siri ike.

- Solubility: Ọ bụ obere soluble na mmiri mana ọ nwere ike ịsacha n'ọtụtụ ihe mgbaze organic.

 

Jiri:

 

Usoro:

- A na-enweta usoro nkwadebe nkịtị site na transesterification nke toluene na sodium carbonate. P-toluene na-emeghachi omume na mmanya, dị ka ethanol ma ọ bụ methanol, iji mepụta p-toluene, nke a na-emeghachi na sodium carbonate iji nye methylphenylacetic acid.

 

Ozi nchekwa:

Methylphenylacetic acid kwụsiri ike na ụlọ okpomọkụ ma nwee ike ire ere n'okpuru oke okpomọkụ, isi ọkụ ma ọ bụ ọkụ, na-emepụta ihe ndị na-egbu egbu.

- Ekwesịrị ịkpachapụ anya nke ọma mgbe ị na-ejikwa methamphenylacetic acid, dị ka iyi akwa anya, uwe aka na uwe nchebe. Zere ikuku ume, iri nri, ma ọ bụ kọntaktị anụ ahụ iji zere ahụ erughị ala ma ọ bụ mmerụ ahụ.

- Ekwesịrị ịchekwa acid methylphenylacetic pụọ na mgbanye ọkụ, ihe ndị na-eme ka oxidizing siri ike, na ọla na-emeghachi omume n'ebe kpọrọ nkụ na-ekpo ọkụ.


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