 Home > Encyclopedia > C.I. Acid Red 44

C.I. Acid Red 44

C.I. Acid Red 44 structure

CAS No:
2766-77-0
Formula:
C20H14N2O7S2.2Na
Chemical Name:
C.I. Acid Red 44
Synonyms:
1,3-Naphthalenedisulfonic acid,7-hydroxy-8-[2-(1-naphthalenyl)diazenyl]-,sodium salt (1:2);C.I. Acid Red 44,disodium salt;1,3-Naphthalenedisulfonic acid,7-hydroxy-8-(1-naphthalenylazo)-,disodium salt;C.I. Acid Red 44;2-Naphthol-6,8-disulfonic acid,1-(1-naphthylazo)-,disodium salt;C.I. 16250;Acidal Crystals Ponceau;Acid Leather Ponceau 6R;Acid Ponceau 6R;Acid Red 6A;Colacid Red 6A;Crystal Ponceau;Crystal Ponceau M 6R;Crystal Scarlet 6R;Crystal Ponceau 6R;Crystal Tertracid Ponceau 6R;Ponceau Cristallise Extra A Export;Ponceau 6R Crystals;Ponceau Crystals 6R;Ponceau 6R;Brilliant Crystal Scarlet;Crystal Scarlet;Kemacid Leather Ponceau 6R;Triacid Ponceau 6R;Romexal Red 6A
Categories:
Dyes and Pigments > Dye

Description

ChEBI: An organic sodium salt that is the disodium salt of 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid.

Acid red 44 is an organic sodium salt that is the disodium salt of 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid. It has a role as a histological dye. It contains a 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate.

C.I. Acid Red 44 Basic Attributes

Molecular Weight：

502.43

Exact Mass：

501.98800

EC Number：

220-441-4

UNII：

W8UOR0932R

Characteristics

PSA：

176.11000

XLogP3：

6.08380

Appearance：

Red Powder

Melting Point：

>300 °C(lit.)

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

Drug Information

MeSH Entry Terms：

Acid Red 44

Computed Properties

Molecular Weight:502.4
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:9
Rotatable Bond Count:2
Exact Mass:501.98813164
Monoisotopic Mass:501.98813164
Topological Polar Surface Area:176
Heavy Atom Count:33
Complexity:854
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes