UV-P (2440-22-4) ,UV-P (2440-22-4) Manufacturers & Suppliers，MSDS

Basic information

Name:
Phenol,2-(2H-benzotriazol-2-yl)-4-methyl-
Superlist Name:
Ultraviolet Absorbent UV-P
CAS No.:
2440-22-4
Molecular Structure:
Formula:
C₁₃H₁₁N₃O
Synonyms:
p-Cresol,2-(2H-benzotriazol-2-yl)- (7CI,8CI);2-(2-Hydroxy-5-methylphenyl)-2H-benzotriazole;2-(2H-Benzotriazol-2-yl)-p-cresol;2-Benzotriazol-2-yl-4-methylphenol;ADK Stab LA 32;ADK-ARKLS DN 13;BT 1;BT 1 (light stabilizer);Benazol II;Benazol P;Drometrizole;JF 77;Kemisorb 71;Lowilite 55;NSC 91885;Seikalizer AZ;Tinuvin P;UV-P;UVA-P;Uvinul 3033P;

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Chemistry

IUPAC Name: 2-(Benzotriazol-2-yl)-4-methylphenol
Molecular Formula: C₁₃H₁₁N₃O
Formula Weight: 225.25
EINECS: 219-470-5
Classification Code: Skin / Eye Irritant; Ultraviolet screen
Product Categories: Additives for Plastic; C-C Bond Formation; Others; Synthetic Reagents
Molar Refractivity: 65.53 cm³
Molar Volume: 172.9 cm³
Surface Tension: 51.6 dyne/cm
Enthalpy of Vaporization: 70.45 kJ/mol
Melting Point: 125.5-129.5°C(lit.)
Flash Point : 210.1 °C
Boiling Point: 423.8 °C at 760 mmHg
Density: 1.3 g/cm³
Index of Refraction: 1.682
Appearence: a yellowish crystalline powder
Vapour Pressure of UV-P (CAS NO.2440-22-4): 8.79E-08 mmHg at 25 °C

Uses

UV-P (CAS NO.2440-22-4) is a benzotriazole type UV absorber. It is used for polyvinylchloride , styrenic polymer ( acrylonitrile butadiene , high impact polystyrene , general purpose polystyrene ), unsturated polyester elastomers and adhesives , acrylic resins , polycarbonate , polyurethane , and cellulose ester .

Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	oral	6500mg/kg (6500mg/kg)		Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 10(3), Pg. 49, 1966.

Safety Profile

Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 22-24/25
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
WGK Germany: 1
RTECS: GO6860000

Standards and Recommendations

Assay: 99% min (HPLC)
Transmittance: 440nm: 97% min
500nm: 98% min
Ash content: 0.3% max

Specification

UV-P (CAS NO.2440-22-4), its Synonyms are 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole ; 2-(2H-Benzotriazol-2-yl)-4-methylphenol ; Benazol P ; Drometrizole ; Phenol, 2-(2H-benzotriazol-2-yl)-4-methyl- ; UV Absorber-1 ; 2-(2-Hydroxy-5-methylphenyl)-2H-benzotriazole ; 2-(2-Hydroxy-5-methylphenyl)benzotriazole ; p-Cresol, 2-(2H-benzotriazol-2-yl)- .

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Basic information

Phenol,2-(2H-benzotriazol-2-yl)-4-methyl-

2440-22-4

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