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3 5-Dichloro-4-hydroxybenzoic acid (CAS# 3336-41-2)

Ngwongwo kemịkalụ:

Usoro ihe omimi C7H4Cl2O3
Molar Mass 207.01
Njupụta 1.5281 (atụmatụ siri ike)
Ebe Na-agbaze 264-266 Celsius C (ọkụ)
Ebe Boling 297.29°C (atụmatụ siri ike)
Ebe mgbari 152.3C
Solubility DMSO (obere), methanol (obere)
Uzuoku nrịbama 7.79E-05mmHg na 25°C
Ọdịdị siri ike
Agba Ọcha ka Gbanyụọ-Ọcha
BRN 2616297
pKa 3.83± 0.10 (buru amụma)
Ọnọdụ Nchekwa Ikuku ikuku, Okpomọkụ ụlọ
Ntụgharị uche 1.4845 (atụmatụ)
MDL MFCD00002550
Njirimara anụ ahụ na kemịkalụ kristal ọcha. Ebe mgbaze 268-269 ℃.
Jiri A na-eji ya dị ka etiti na njikọ organic

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.
S37/39 - Yiri uwe aka kwesịrị ekwesị na nchebe anya / ihu
WGK Germany 3
RTECS DG7502000
Koodu HS 29182900

 

Okwu mmalite

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

 

Ogo:

- Ọdịdị: 3,5-Dichloro-4-hydroxybenzoic acid bụ enweghị agba na-acha ọcha crystalline ntụ ntụ.

- Solubility: Ọ bụ soluble na ụfọdụ organic solvents dị ka alcohols na ethers, ma ọ bụ obere soluble na mmiri.

 

Jiri:

 

Usoro:

Enwere ike nweta 3,5-Dichloro-4-hydroxybenzoic acid site na chlorination nke parahydroxybenzoic acid. Usoro a kapịrị ọnụ bụ imeghachi hydroxybenzoic acid na thionyl chloride iji dochie atom hydrogen na otu hydroxyl na atọm chlorine n'okpuru ọnọdụ acidic site na nnọchi nke ion chloride.

 

Ozi nchekwa:

- Mmetụta na ahụike mmadụ: 3,5-dichloro-4-hydroxybenzoic acid enweghị nsogbu doro anya na ahụike mmadụ n'okpuru ọnọdụ ojiji.

- Zere kọntaktị: Mgbe ị na-eji ngwa a, zere kọntaktị kpọmkwem n'etiti akpụkpọ na anya ma hụ na ị na-arụ ọrụ na mpaghara ikuku nke ọma.

- Nchekwa nchekwa: Ekwesịrị ịchekwa ya n'ebe kpọrọ nkụ, dị jụụ na ikuku ikuku, na-adịghị na ọkụ na ọkụ.


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