Merck 103170 0025 Eriochrome Black T (C.i. 14645) indicator For Complexometry Acs,Reag. Ph Eur 25 GR.

Merck 103170 0025 Eriochrome Black T (C.i. 14645) indicator For Complexometry Acs,Reag. Ph Eur 25 GR.

52.94 ( KDV Dahil )

indicator for complexometry ACS,Reag. Ph Eur CAS #: 1787-61-7 EC Number: 217-250-3

Stok kodu: 103170.0025 Kategoriler: , ,

Açıklama

Description
Catalogue Number 103170
Replaces EX0100-5; EX0100
Synonyms Chrome black T, 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-6-nitronaphthalene-4-sulfonic acid sodium salt

Product Information
CAS number 1787-61-7
EC number 217-250-3
Grade ACS,Reag. Ph Eur
Hill Formula C₂₀H₁₂N₃NaO₇S
Molar Mass 461.38 g/mol
HS Code 3212 90 90
Structure formula Image Structure formula Image
Quality Level MQ200

Physicochemical Information
pH value 3.7 (10 g/l, H₂O, 20 °C)
Bulk density 400 – 600 kg/m3
Solubility 50 g/l

Toxicological Information
LD 50 oral LD50 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 Word Warning
Storage class 10 – 13 Other liquids and solids
WGK WGK 2 obviously hazardous to water
Disposal 3
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 danger irritant, dangerous for the environment

Storage and Shipping Information
Storage Store at +15°C to +25°C.

Transport Information
Declaration (railroad and road) ADR, RID UN 3077 , 9, III
Declaration (transport by air) IATA-DGR UN 3077 , 9, III
Declaration (transport by sea) IMDG-Code UN 3077 , 9, III, Marine Pollutant: P

Specifications
Identity (UV/VIS-Spectrum) passes test
Appearance Black to dark brown-black fine powder, eventually with granular parts
Clarity of solution passes 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
Para Birimi
Canlı Destek
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