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3,5-Dimethyl-4-nitrobenzoic acid (CAS#3095-38-3)

Ngwongwo kemịkalụ:

Usoro ihe omimi C9H9NO4
Molar Mass 195.17
Njupụta 1.333±0.06 g/cm3 (buru amụma)
Ebe Na-agbaze 221-223 Celsius C
Ebe Boling 356.5± 30.0 °C (buru amụma)
Mmiri Solubility Na-adịghị edozi na mmiri.
BRN 1965772
pKa 3.56± 0.10 (buru amụma)
Ọnọdụ Nchekwa 2-8 Celsius C

Nkọwa ngwaahịa

Mkpado ngwaahịa

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.

 

Okwu mmalite

4-Nitro-3,5-dimethylbenzoic acid bụ ngwakọta organic. Ndị a bụ mmalite nke akụrụngwa ya, ojiji ya, ụzọ nrụpụta ya na ozi nchekwa:

 

Ogo:

- 4-Nitro-3,5-dimethylbenzoic acid bụ kristal na-enweghị agba nke nwere ekpomeekpo.

- Ọ kwụsiri ike na ụlọ okpomọkụ, mana mgbawa nwere ike ime na oke okpomọkụ, na ọkụ, ma ọ bụ mgbe ekpughere ya na isi mmalite mgbanye.

- Ọ fọrọ nke nta ka ọ ghara ịsacha ya na mmiri, mana ọ na-agbaze na ihe mgbaze organic dị ka ethanol, ethers, na chlorinated hydrocarbons.

 

Jiri:

A na-ejikarị 4-nitro-3,5-dimethylbenzoic acid mee ihe dị ka etiti nke agbaji na ihe eji eme ihe maka njikọ nke pigmenti.

 

Usoro:

- 4-Nitro-3,5-dimethylbenzoic acid nwere ike nweta site nitrification nke p-toluene. Mmeghachi omume nitrification n'ozuzu na-eji ngwakọta nke nitric acid na sulfuric acid dị ka ihe nitrifying.

- Usoro nkwadebe a kapịrị ọnụ bụ n'ozuzu: a na-agwakọta toluene na nitric acid na sulfuric acid, na-ekpo ọkụ maka mmeghachi omume, wee kpochaa ma mee ka ọ dị ọcha.

 

Ozi nchekwa:

- 4-Nitro-3,5-dimethylbenzoic acid na-akpasu iwe na corrosive na ekwesịrị izere ya na kọntaktị na akpụkpọ ahụ na anya.

- Mgbe ị na-ejizi akụrụngwa a, yiri gloves nchebe, respirators, na enyo nchebe ka ịzenarị ikuku ikuku ma ọ bụ bata n'ime ahụ.

- Mgbe ị na-echekwa na njikwa, zere kọntaktị na oxidants, isi mmalite ọkụ na ihe ndị na-ere ọkụ iji zere ọkụ ma ọ bụ mgbawa.

- Ọ bụrụ na ịriri nri ma ọ bụ iku ume na mberede, chọọ nlekọta ahụike ozugbo ma gosi dọkịta gị mpempe data nchekwa ngwaahịa.


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