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105225 Krezolová červeň

indikátor Reag. Ph Eur

Krezolová červeň MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: o-Cresolsulfonphthalein

CAS #: 1733-12-6 EC Number: 217-064-2 Molar Mass: 382.43 g/mol Hill Formula: C₂₁H₁₈O₅S Grade: Reag. Ph Eur
105225
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar MassGrade Value
1733-12-6217-064-2C₂₁H₁₈O₅S382.43 g/molReag. Ph Eur

Products

Catalogue NumberPackaging Qty/Pack
1052250005 Sklená flaša 5 g
1052250025 Sklená flaša 25 g
Description
Catalogue Number105225
Synonymso-Cresolsulfonphthalein
References
Product Information
CAS number1733-12-6
EC number217-064-2
GradeReag. Ph Eur
Hill FormulaC₂₁H₁₈O₅S
Molar Mass382.43 g/mol
HS Code2934 99 99
Structure formula ImageStructure formula Image
Quality LevelMQ200
Applications
Biological Information
Physicochemical Information
Density0.998 g/cm3
Melting Point290 °C rozkladá sa
Bulk density600 - 620 kg/m3
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
Storage class10 - 13 Iné kvapaliny a tuhé látky
WGKWGK 3 silne ohrozujúce vody
Disposal3
Relatívne nereaktívne organické reagencie je potrebné zhromaždovať v nádobe A. Ak sú halogénované, je potrebné ich zhromaždovať v nádobe B. Pre tuhé zvyšky použite nádobu C.
Safety Information
Product Usage Statements
Storage and Shipping Information
StorageSkladujte pri +2°C až +30°C.
Packaging Information
Transport Information
Supplemental Information
Specifications
Appearance of solution(0,5 g/l; ethanol)passes test
Identity (UV/VIS-Spectrum)passes test
1st transition rangepH 0.5 - pH 2.5 pink - brownish yellow
2nd transition rangepH 6.5 - pH 8.5 yellow - purple
Absorption maximum λ 1 max. (buffer pH 0.5)517 - 520 nm
Absorption maximum λ 2 max. (buffer pH 2.5)432 - 436 nm
Absorption maximum λ 3 max. (buffer pH 6.5)432 - 436 nm
Absorption maximum λ 4 max. (buffer pH 8.5)571 - 574 nm
Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.005 g/l; buffer pH 0.5; calc. on dried substances)≥ 1200
Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.005 g/l; buffer pH 2.5; calc. on dried substances)490 - 570
Spec. Absorptivity A 1%/1cm (λ 3 max.; 0.005 g/l; buffer pH 6.5; calc. on dried substances)490 - 610
Spec. Absorptivity A 1%/1cm (λ 4 max.; 0.005 g/l; buffer pH 8.5; calc. on dried substances)1000 - 1190
Loss on drying (110 °C)≤ 5 %
Sensitivity testpasses test
Global Trade Item Number
Catalogue Number GTIN
1052250005 04022536062419
1052250025 04022536062426