3 4-Dimethylbenzoic acid (CAS # 619-04-5)

Molecular Formula	C9H10O2
Molar Mass	150.17 Nws
Qhov ntom	1.0937 (kwv yees)
Melting Point	163-165 ° C (lit.)
Boling Point	271.51°C (kwv yees)
Flash Point	134.9°C dej
Dej Solubility	129.2mg / L (kub tsis tau teev)
Vapor Siab	0.000728mmHg ntawm 25 ° C
Qhov tshwm sim	Crystalline hmoov
Xim	Dawb rau beige
BRN	907267 ib
pKa	4.44 ± 0.10 (Tshaj tawm)
Kev cia khoom	Muab kaw rau hauv qhuav, Chav Kub
Refractive Index	1.5188 (kwv yees)
MDL	PAB 00002524
Physical thiab Chemical Properties	Dawb hmoov los yog siv lead ua. Melting point 165-167 ℃.
Siv	Siv ua ib qho nruab nrab hauv cov organic synthesis
Kev tshawb nrhiav hauv vitro	3,4-Dimethylbenzoic acid yog oxidised los ntawm 4-methylbenzoate (p-toluate)-loj hlwb ntawm Rhodococcus rhodochrous N75 ntawm ortho-txoj kev los ntawm intermediates 3,4-dimethylcatechol.

Product Detail

Risk Codes	R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R22 - Ua phem yog tias nqos
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.
WGK Germany	3
RTECS	DG8734020
TSCA	Yog lawm
HS Code	29163900 ib