1,4-Dihydroxyanthraquinone-2-sulfonic acid

Names

[ CAS No. ]:
145-48-2

[ Name ]:
1,4-Dihydroxyanthraquinone-2-sulfonic acid

[Synonym ]:
MFCD00019147
2-quinizarinsulphonic acid
Quinizarin-3-sulphonic acid
2-sulfoquinizarine
2-Anthracenesulfonic acid, 9,10-dihydro-1,4-dihydroxy-9,10-dioxo-
quinizarin-2-sulfonic acid
Morocco Maroon X-1550
1,4-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid
1,4-Dihydroxy-9,10-dioxo-9,10-dihydro-2-anthracenesulfonic acid
2-sulpho-1,4-dihydroxyanthraquinone
Helio Fast Rubine 4BLA
1,4-Dihydroxyanthraquinone-2-sulfonic acid
9,10-Dihydro-1,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid
Rufianic acid
C.I. Pigment Violet 5
Quinizarinsulfonic acid
Quinizarin-3-sulfonic acid
EINECS 205-654-2
1,4-dihydroxy-9,10-dioxo-9,10-dihydro-anthracene-2-sulfonic acid

Chemical & Physical Properties

[ Density]:
1.8±0.1 g/cm3

[ Molecular Formula ]:
C₁₄H₈O₇S

[ Molecular Weight ]:
320.274

[ Exact Mass ]:
319.999084

[ PSA ]:
137.35000

[ LogP ]:
2.47

[ Index of Refraction ]:
1.743

Safety Information

[ Safety Phrases ]:
S24/25

[ RIDADR ]:
UN 1789 8/PG 3

[ WGK Germany ]:
2

[ RTECS ]:
MC0560000

[ HS Code ]:
2918990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2918990090

[ Summary ]:
2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%