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103170 Eriochrome black T (C.I. 14645)

indicator for complexometry ACS,Reag. Ph Eur

Eriochrome black T (C.I. 14645) MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Chrome black T, 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-6-nitronaphthalene-4-sulfonic acid sodium salt

CAS #: 1787-61-7 EC Number: 217-250-3 Molar Mass: 461.38 g/mol Hill Formula: C₂₀H₁₂N₃NaO₇S Grade: ACS,Reag. Ph Eur
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103170
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Overview

Replacement Information
Replacement InformationIn North America 1.03170.0100 replaces and is identical to EX0100-5

Key Spec Table

CAS #EC NumberHill FormulaMolar MassGrade Value
1787-61-7217-250-3C₂₀H₁₂N₃NaO₇S461.38 g/molACS,Reag. Ph Eur

Products

Catalogue NumberPackaging Qty/Pack
1.03170.0025 Glass bottle 25 g
1.03170.0100 Glass bottle 100 g
Description
Catalogue Number103170
ReplacesEX0100-5; EX0100
SynonymsChrome black T, 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-6-nitronaphthalene-4-sulfonic acid sodium salt
References
Product Information
CAS number1787-61-7
EC number217-250-3
GradeACS,Reag. Ph Eur
Hill FormulaC₂₀H₁₂N₃NaO₇S
Molar Mass461.38 g/mol
HS Code3212 90 90
Structure formula ImageStructure formula Image
Quality LevelMQ200
Applications
Biological Information
Physicochemical Information
pH value3.7 (10 g/l, H₂O, 20 °C)
Bulk density400 - 600 kg/m3
Solubility50 g/l
Dimensions
Materials Information
Toxicological Information
LD 50 oralLD50 Rat 17590 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H319: Causes serious eye irritation.
H411: Toxic to aquatic life with long lasting effects.
Precautionary Statement(s)P264: Wash skin thoroughly after handling.
P273: Avoid release to the environment.
P280: Wear eye protection/ face protection.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337 + P313: If eye irritation persists: Get medical advice/ attention.
P391: Collect spillage.
P501: Dispose of contents/ container to an approved waste disposal plant.
Signal WordWarning
Storage class10 - 13 Other liquids and solids
WGKWGK 2 obviously hazardous to water
Disposal3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Safety Information
Categories of dangerirritant, dangerous for the environment
Product Usage Statements
Storage and Shipping Information
StorageStore at +15°C to +25°C.
Packaging Information
Transport Information
Declaration (railroad and road) ADR, RIDUN 3077 , 9, III
Declaration (transport by air) IATA-DGRUN 3077 , 9, III
Declaration (transport by sea) IMDG-CodeUN 3077 , 9, III, Marine Pollutant: P
Supplemental Information
Specifications
Identity (UV/VIS-Spectrum)passes test
AppearanceBlack to dark brown-black fine powder, eventually with granular parts
Clarity of solutionpasses test
Absorption maximum λmax. (buffer pH 10.0)612 - 616 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.02 g/l; buffer pH 10.0; calc. on dried substance)400 - 510
Loss on drying (110 °C)≤ 7 %
Suitability as indicator (for complexometric titration, ACS)passes test
Suitability as indicator (Reag. Ph Eur)passes test
Global Trade Item Number
Catalogue Number GTIN
1.03170.0025 04022536040431
1.03170.0100 04022536040455