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2-Chloronicotinic Acid (CAS # 2942-59-8)

Chemical Property:

Molecular Formula C6H4ClNO2
Molar Mass 157.55 Nws
Qhov ntom 1.470 ± 0.06 g / cm3 (Tshaj tawm)
Melting Point 176-178 ° C (hnub) (lit.)
Boling Point 316.8 ± 22.0 ° C (Tshaj tawm)
Flash Point 145.4°C dej
Solubility DMSO, Ethyl Acetate (me ntsis)
Vapor Siab 0.000168mmHg ntawm 25 ° C
Qhov tshwm sim Dawb hmoov
Xim Dawb rau cream
BRN 119023 ib
pKa 2.07 ± 0.25 (Tshaj tawm)
Kev cia khoom 2-8 ° C
MDL PAB 00006236
Physical thiab Chemical Properties Dawb los yog thawj dawb crystalline hmoov
melting point 286-288 ° C
sublimation point 145-148 ° C
Kev sib hloov kho qhov muag 15.4 ° (c = 4, 6N HCl)
dej-soluble 22.4g / L (20 C)Cov khoom no yog cov xim tsis muaj xim, MP> 175 ℃ (decomposition), insoluble hauv dej, soluble hauv benzene, toluene thiab lwm yam organic solvents.
Siv Siv los ua tshuaj nruab nrab, siv hauv kev tsim cov niacin acid, niacin acid, thiab lwm yam.; Cov tshuaj tua kab nruab nrab, siv hauv kev tsim cov nicosulfuron, pyrazlor, thiab lwm yam.; 2-chloro-3-pyridinecarboxylic acid yog herbicide nicosulfuron, ib nrab ntawm pyrifloxamide. Pharmaceutical thiab tshuaj tua kab intermediates.

Product Detail

Khoom cim npe

Hazard Cov Cim Xi-xaj
Risk Codes 36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij.
Kev nyab xeeb piav qhia S22 - Tsis txhob nqus plua plav.
S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag
S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S36 - Hnav khaub ncaws tiv thaiv zoo.
WGK Germany 3
TSCA T
HS Code 2933399 ib
Hazard Class IRRITANT

 

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