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4-Formylbenzoic acid (CAS # 619-66-9)

Chemical Property:

Molecular Formula C8H6O3
Molar Mass 150.13 Nws
Qhov ntom 1.2645 (zeeg)
Melting Point 247 ° C (lit.)
Boling Point 231.65 ° C (kwv yees kwv yees)
Flash Point 169.2°C dej
Dej Solubility Soluble hauv dej, methanol, DMSO, ether, thiab chloroform.
Solubility Soluble hauv dej, methanol, DMSO, ether, thiab chloroform.
Vapor Siab 5.72E-05mmHg ntawm 25 ° C
Qhov tshwm sim Crystalline hmoov
Xim Daj
Qhov siab tshaj plaws wavelength (λmax) ['298nm (Hexane) (lit.)']
BRN 471734 ib
pKa 3.77 (ntawm 25 ℃)
PH 3.5 (1g / l, H2O, 20 ℃)
Kev cia khoom Khaws hauv qab +30 ° C.
rhiab heev Huab cua Sensitive
Refractive Index 1.4500 (kwv yees)
MDL PAB 00006951
Siv Siv los ua ib qho nruab nrab ntawm cov tshuaj, tshuaj tua kab thiab fluorescent whitening agent

Product Detail

Khoom cim npe

Hazard Cov Cim Xi-xaj
Risk Codes R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
R33 - Kev phom sij ntawm cov teebmeem tshwm sim
Kev nyab xeeb piav qhia 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.
S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
WGK Germany 3
RTECS WZ0440000
TSCA Yog lawm
HS Code 29183000 ib
Kev Ceeb Toom Irritant

 

Taw qhia

Feem ntau siv los ua reagent thaum esterification ntawm 2,2,6,6-tetramethyl-4-oxopiperidinyl-1-oxyl kom tawm los 4-hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl 4-formylbenzoate.


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