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Eriochrome black T - Indicator, high purity , CAS No.1787-61-7
Basic Description Synonyms eriochrome black t|1787-61-7|Mordant Black 11|Solochrome Black T|Fast Chrome Black T|Solochrome Black|Potting Black C|Chrome Black T|Chrome Black PB|Chrome Black TK|Chrome Black TX|Diamond Black PT|Hispacrom Black T|Magracrom Black A|Diacromo Black PA|Fen Specifications & Purity Indicator Shipped In Normal Grade indicator Product Description Application：
Eriochrome Black T has been used to determine the concentration of Ca2+ using complexometric titration method.
Names and Identifiers Pubchem Sid 488202932 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/488202932 IUPAC Name sodium;3-hydroxy-4-[(1-hydroxynaphthalen-2-yl)diazenyl]-7-nitronaphthalene-1-sulfonate INCHI InChI=1S/C20H13N3O7S.Na/c24-17-10-18(31(28,29)30)15-9-12(23(26)27)6-7-14(15)19(17)22-21-16-8-5-11-3-1-2-4-13(11)20(16)25;/h1-10,24-25H,(H,28,29,30);/q;+1/p-1 InChi Key AMMWFYKTZVIRFN-UHFFFAOYSA-M Canonical SMILES C1=CC=C2C(=C1)C=CC(=C2O)N=NC3=C4C=CC(=CC4=C(C=C3O)S(=O)(=O)[O-])[N+](=O)[O-].[Na+] Isomeric SMILES C1=CC=C2C(=C1)C=CC(=C2O)N=NC3=C4C=CC(=CC4=C(C=C3O)S(=O)(=O)[O-])[N+](=O)[O-].[Na+] WGK Germany 2 PubChem CID 135465089 UN Number 3077 Molecular Weight 461.38 Beilstein 4121162 Reaxy-Rn 7510034
Chemical and Physical Properties Solubility Insoluble in ether Sensitivity Moisture sensitive.
Safety and Hazards(GHS) Pictogram(s) GHS09 , GHS07 Signal Warning Hazard Statements H315: Causes skin irritation
H319: Causes serious eye irritation
H335: May cause respiratory irritation
H411: Toxic to aquatic life with long lasting effects
H412: Harmful to aquatic life with long lasting effects
Precautionary Statements P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352: IF ON SKIN: wash with plenty of water.
P321: Specific treatment (see ... on this label).
P405: Store locked up.
P501: Dispose of contents/container to ...
P264: Wash hands [and …] thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P362+P364: Take off contaminated clothing and wash it before reuse.
P391: Collect spillage.
P264+P265: Wash hands [and …] thoroughly after handling. Do not touch eyes.
P337+P317: If eye irritation persists: Get medical help.
P332+P317: If skin irritation occurs: Get medical help.
P319: Get medical help if you feel unwell.
WGK Germany 2 Reaxy-Rn 7510034
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