CAS 89-05-4|Pyromellitic acid
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CAS 89-05-4|Pyromellitic acid

CAS 89-05-4|Pyromellitic acid

Cov mis mos molecular: C10H6O8
Molecular Luj: 254.15
EINECS: 201-879-5
Purity: 97% Min.
Pob: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Specification ntawm CAS 89-05-4|Pyromellitic acid

Yam khoom

SPECIFICATION

Melting point

281-284.5 degree (lit.)

xim

Dawb rau me ntsis daj

solubility

0.1 M NaOH

cia temp.

Khaws hauv qab no ntxiv rau 30 degree.

Merck

14,8004

Fp

325 degree

Refractive Index

1.7010

daim ntawv

Crystalline hmoov

EPA Tshuaj Registry System

1,2,4,5-Benzenetetracarboxylic acid (89-05-4)

Dej Solubility

1.5 g / 100 mL (20 ºC) yog '

ceev

0,56 g/cm3

Kev ruaj ntseg

ruaj khov. Incompatible nrog muaj zog oxidizing neeg sawv cev, muaj zog hauv paus.

Boiling point

317.36 degree

pka ua

pk1 ua

InChIKey

CYIDZMCFTVVTJO-UHFFFAOYSA-N

NIST Chemistry Reference

1,2,4,5-Benzene-tetracarboxylic acid (89-05-4)

CAS DataBase Reference

89-05-4(CAS DataBase Reference)


Synthesis ntawmCAS 89-05-4|Pyromellitic acid

image

Cov xwm txheej

Theem #1: 2,4,5-trimethylbenzaldehyde Nrog cua ntawm 220 degree ; nyob rau hauv 24002.4 Torr;

Theem #2: Nrog cua ntawm 220 degree; nyob rau hauv 21752.2 Torr;

Cim npe nrov: cas 89-05-4|pyromellitic acid, nqe, hais, luv nqi, hauv Tshuag, kev muag khoom

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