MADDERCOLOUR

Description

MADDERCOLOUR · CAS 12640-73-2 · C14H8O5. UNII L1GT81LS6N. LogP: 1.84.

Identification

CAS Registry Number	12640-73-2
PubChem CID	6683
Molecular formula	C14H8O5
IUPAC name	1,2,4-trihydroxyanthracene-9,10-dione
UNII (FDA)	L1GT81LS6N

Computed Descriptors

Molecular Weight	256.21
XLogP3	2.9
Hydrogen Bond Donor Count	3
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	0
Exact Mass	256.03717335
Monoisotopic Mass	256.03717335
Topological Polar Surface Area	94.8
Heavy Atom Count	19
Formal Charge	0

Physical & Chemical Properties

LogP	1.84

Physical description & handling notes

• Orange or red solid; [Merck Index] Dark brown powder; [Aldrich MSDS]
• 149.0 Ų [M-H]- [CCS Type: DT; Buffer gas: N2; Ionization: ESI-; Dataset: TOXCAST; Source Identifier: DTXSID4021214]
• 147.76 Ų [M+H-H2O]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]
• 153.99 Ų [M+Na]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]
• 144.35 Ų [M+H]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]

GHS Hazard Classification

Reported hazard statements	H315 (100%), H319 (100%), H335 (98.5%)

Documented Uses

• Formed during storage of the madder root; Forms lakes with some metal salts; Used as a fast dye for printing cotton, to make acid and chrome dyes, as a reagent for detection of boron, for histological detection of insoluble calcium salts, and as a nuclear stain; [Merck Index]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Chemicals and substances that impart color including soluble dyes and insoluble pigments. They are used in INKS; PAINTS; and as INDICATORS AND REAGENTS.

Synonyms

9,10-Anthracenedione, 1,2,4-trihydroxy-; purpurin anthraquinone; RefChem:46677; PURPURIN; 81-54-9; 1,2,4-trihydroxyanthracene-9,10-dione; 1,2,4-Trihydroxyanthraquinone; Verantin; Purpurine; Hydroxylizaric acid; Smoke Brown G; 1,2,4-Trihydroxy-9,10-anthracenedione; 1,2,4-Trihydroxy-9,10-anthraquinone; C.I. 58205; 1,2,4-Trihydroxyanthrachinon; Anthraquinone, 1,2,4-trihydroxy-

Frequently Asked Questions

What are the CAS number and molecular formula of MADDERCOLOUR?

CAS 12640-73-2; molecular formula C14H8O5; molecular weight — g/mol.

What other names is MADDERCOLOUR known by?

9,10-Anthracenedione, 1,2,4-trihydroxy-, purpurin anthraquinone, RefChem:46677, PURPURIN, 81-54-9, 1,2,4-trihydroxyanthracene-9,10-dione.

Is MADDERCOLOUR classified as hazardous?

Hazard statements reported: H315, H319, H335.

What are the key physical properties of MADDERCOLOUR?

LogP: 1.84.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.