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Calmagite

Catalog No. 31822 Name Sigma Aldrich
CAS Number 3147-14-6 Website http://www.sigmaaldrich.com
M. F. C17H14N2O5S Telephone 1-800-521-8956
M. W. 358.36846 Fax
Purity Email
Storage Chembase ID: 103089

SYNONYMS

IUPAC name
3-hydroxy-4-[2-(2-hydroxy-5-methylphenyl)diazen-1-yl]naphthalene-1-sulfonic acid
IUPAC Traditional name
calmagite
Synonyms
1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid
3-Hydroxy-4-(2-hydroxy-5-methylphenylazo)naphthalene-1-sulfonic acid

DATABASE IDS

EC Number 221-563-0
Beilstein Number 708596
CAS Number 3147-14-6
MDL Number MFCD00011656

PROPERTIES

Grade indicator for metal titration
Linear Formula HOC10H5[N=NC6H3(OH)CH3]SO3H
Suitability passes test for change
Suitability passes test for suitable for metal definition
Melting Point 330 °C(lit.)
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
Safety Statements 26-36
German water hazard class 3

DETAILS

Description (English)
Application
Used as an indicator in the titration of calcium or magnesium with EDTA.
Description (简体中文)
Application
Used as an indicator in the titration of calcium or magnesium with EDTA.

REFERENCES