Xylenol Blue

• Catalog No.: 205486
• CAS Number: 125-31-5
• M. F.: C23H22O5S
• M. W.: 410.48278

SYNONYMS

• IUPAC name: 3,3-bis(4-hydroxy-2,5-dimethylphenyl)-3H-2,1λ^6-benzoxathiole-1,1-dione
• IUPAC Traditional name: xylenol blue
• Synonyms: p-Xylenol Blue; p-Xylenolsulfonephthalein

DATABASE IDS

• MDL Number: MFCD00005870
• Beilstein Number: 363132
• CAS Number: 125-31-5
• PubChem SID: 24852335
• EC Number: 204-736-5

PROPERTIES

• GHS Precautionary statements: P261-P305 + P351 + P338
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• German water hazard class: 3
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• Compostion: Dye content, 90%
• Empirical Formula (Hill Notation): C23H22O5S
• Grade: indicator grade
• Useful pH Range: 1.2 - 2.8, red to yellow (acid)
• Useful pH Range: 8.0 - 9.8, yellow to violet (alkaline)
• Absorption Wavelength: λmax 424 nm
• Melting Point: 212 °C (dec.)(lit.)

DETAILS

Description (English)

Packaging
1, 5 g in glass bottle

Description (简体中文)

包装
1, 5 g in glass bottle