2-(2-Hydroxy-5-methylphenyl)benzotriazole , >99.0% , 2440-22-4

Synonym(s):
2-(2H-Benzotriazol-2-yl)-p-cresol;2-(2-Hydroxy-5-methylphenyl)benzotriazole

CAS NO.：2440-22-4

Empirical Formula: C13H11N3O

Molecular Weight: 225.25

MDL number: MFCD00022903

EINECS: 219-470-5

PRODUCT Properties

• Melting point: 125.5-129.5 °C(lit.)
• Boiling point: bp10 225°
• Density: 1.38
• vapor pressure: 0Pa at 20℃
• refractive index: 1.5600 (estimate)
• Flash point: 54°C
• storage temp.: 15-25°C
• solubility: DMSO (Slightly), Methanol (Slightly)
• pka: 8.15±0.43(Predicted)
• form: Solid
• color: Off-White to Pale Yellow
• Water Solubility: 173μg/L at 20℃
• Merck: 14,3447
• Stability: Hygroscopic
• Cosmetics Ingredients Functions: UV ABSORBER
• Cosmetic Ingredient Review (CIR): Drometrizole (2440-22-4)
• InChI: 1S/C13H11N3O/c1-9-6-7-13(17)12(8-9)16-14-10-4-2-3-5-11(10)15-16/h2-8,17H,1H3
• InChIKey: MCPKSFINULVDNX-UHFFFAOYSA-N
• SMILES: Cc1ccc(O)c(c1)-n2nc3ccccc3n2
• LogP: 4.2 at 25℃
• CAS DataBase Reference: 2440-22-4(CAS DataBase Reference)
• NIST Chemistry Reference: Phenol, 2-(2H-benzotriazol-2-yl)-4-methyl-(2440-22-4)
• EPA Substance Registry System: 2-(2H-Benzotriazol-2-yl)-p-cresol (2440-22-4)

Description and Uses

Drometrizole is an intermediate reactant in the synthesis of UV light absorbers for polyester fibers.

Safety

• Symbol(GHS): GHS07,GHS09
• Signal word: Warning
• Hazard statements: H317-H410
• Precautionary statements: P261-P272-P273-P280-P302+P352-P333+P313
• PPE: Eyeshields, Gloves, type N95 (US)
• Hazard Codes: Xi
• Risk Statements: 36/37/38-53-43
• Safety Statements: 22-24/25-36/37
• WGK Germany: 1
• RTECS: GO6860000
• TSCA: TSCA listed
• HS Code: 29339900
• Storage Class: 11 - Combustible Solids
• Hazard Classifications: Aquatic Chronic 1; Skin Sens. 1B
• Toxicity: LD50 oral in mouse: 6500mg/kg
• REACH Registrations: Active