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Asit Alkali & pH İndikatörleri
Congo Red (C.I. 22120) Indicator Ph 3,0 - 5,2 25 Gr (Kongo Kırmızısı (C.I. 22120) İndikatör) CAS: 573-58-0

Congo Red (C.I. 22120) Indicator Ph 3,0 - 5,2 25 Gr (Kongo Kırmızısı (C.I. 22120) İndikatör) CAS: 573-58-0

Kategori

Asit Alkali & pH İndikatörleri

Marka

Merck

Stok Kodu

101340.0025

3 Günde Kargoda

Stok Sorunuz

Congo Red (C.I. 22120) Indicator Ph 3,0 - 5,2 25 Gr (Kongo Kırmızısı (C.I. 22120) İndikatör) CAS: 573-58-0

CAS #: 573-58-0 EC Number: 209-358-4 Molar Mass: 696.68 g/mol Hill Formula: C₃₂H₂₂N₆Na₂O₆S₂ Grade: Reag. Ph Eur

Description
Catalogue Number	101340

Physicochemical Information
Melting Point	>360 °C
pH value	6.7 (10 g/l, H₂O, 20 °C)
Vapor pressure	<1 Pa
Bulk density	600 - 700 kg/m3
Solubility	25 g/l

Toxicological Information
LD 50 oral	LD50 Rat 143 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H350: May cause cancer. H361d: Suspected of damaging the unborn child.
Precautionary Statement(s)	P201: Obtain special instructions before use. P202: Do not handle until all safety precautions have been read and understood. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P308 + P313: IF exposed or concerned: Get medical advice/ attention. P405: Store locked up. P501: Dispose of contents/ container to an approved waste disposal plant.
Signal Word	Danger
Storage class	6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK	WGK 3 highly hazardous to water

Safety Information
Categories of danger	carcinogenic, toxic for reproduction

Storage and Shipping Information
Storage	Store at +2°C to +30°C.

Transport Information
Declaration (railroad and road) ADR, RID	Kein Gefahrgut
Declaration (transport by air) IATA-DGR	No Dangerous Good
Declaration (transport by sea) IMDG-Code	No Dangerous Good

Specifications
Identity (UV/VIS-Spectrum)	passes test
Appearance of solution (1 g/l; water)	passes test
Transition range	pH 3.0 - pH 5.2 violet - orange-red
Absorption maximum λ 1 max. (buffer pH 3.0)	563 - 568 nm
Absorption maximum λ 2 max. (buffer pH 5.2)	484 - 489 nm
Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.01 g/l; buffer pH 3.0; calc. on dried substances)	≥ 150
Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.01 g/l; buffer pH 5.2; calc. on dried substances)	≥ 200
Loss on drying (110 °C)	≤ 5 %
Sensitivity test	passes test

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