紫外线234

Description

UV-234 · CAS 70321-86-7 · C30H29N3O. UNII 9B1ZX3NU45.

Identification

CAS Registry Number	70321-86-7
PubChem CID	112412
Molecular formula	C30H29N3O
IUPAC name	2-(benzotriazol-2-yl)-4,6-bis(2-phenylpropan-2-yl)phenol
UNII (FDA)	9B1ZX3NU45

Computed Descriptors

Molecular Weight	447.6
XLogP3	8.6
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	5
Exact Mass	447.231062557
Monoisotopic Mass	447.231062557
Topological Polar Surface Area	50.9
Heavy Atom Count	34
Formal Charge	0

Physical description & handling notes

• Liquid; Other Solid; Dry Powder
• 218.0 Ų [M+H]+ [CCS Type: DT; Buffer gas: N2; Ionization: APCI+; Dataset: TOXCAST; Source Identifier: DTXSID2028985]
• 218.0 Ų [M+H]+ [CCS Type: DT; Buffer gas: N2; Ionization: ESI+; Dataset: TOXCAST; Source Identifier: DTXSID2028985]
• 223.4 Ų [M+Na]+ [CCS Type: DT; Buffer gas: N2; Ionization: ESI+; Dataset: TOXCAST; Source Identifier: DTXSID2028985]
• 222.1 Ų [M-H]- [CCS Type: DT; Buffer gas: N2; Ionization: ESI-; Dataset: TOXCAST; Source Identifier: DTXSID2028985]

Regulatory Status

Regulatory & Food Contact

FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS Phenol, 2-(2H-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)- (CAS Reg. No. 70321-86-7) For use as a stabilizer in rubber articles intended for repeat use complying with 21 CFR 177.2600. The FCS may be used in conveyor belts in contact with all food types at room temperature or below, at levels n

GHS notification summary

39.1% (232 / 593)

GHS Hazard Classification

GHS notification summary	39.1% (232 / 593)
Reported hazard statements	H315 (12%), H319 (12%), H335 (11.8%), H412 (31.7%), H413 (21.4%)

Documented Uses

• Plastics -> Typical concentration range in plastic materials -> 0.2 - 5.0%
• Plastics -> Other functions -> Other stabiliser
• Plastics -> Polymer Type -> Polyolefin-I; PUR; Polyolefin-II; PVC (soft); ABS; PVC (rigid); PET; PMMA; PA; PC; (E)PS
• Not Known or Reasonably Ascertainable
• 2022: 1,000,000 - <5,000,000 lb
• 2021: 1,000,000 - <5,000,000 lb

Synonyms

2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol; BENZOTRIAZOLE BT; Phenol, 2-(2H-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)-; Tinuvin 234; 9B1ZX3NU45; DTXSID2028985; EINECS 274-570-6; UNII-9B1ZX3NU45; DTXCID008985; UV 234 (ANTIOXIDANT); EC 274-570-6; 2-(2h-benzotriazol-2-yl)-4,6-bis(1-methyl-l-phenylethyl)phenol; 2-(2-HYDROXY-3,5-DI-.ALPHA.-CUMYLPHENYL)-2H-BENZOTRIAZOLE; Phenol, 2-(2H-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl); 2-(2-HYDROXY-3,5-DI(1,1-DIMETHYLBENZYL)PHENYL)-2H-BENZOTRIAZOLE; 2-(2'-HYDROXY-3',5'-BIS(.ALPHA.,.ALPHA.-DIMETHYLBENZYL)PHENYL)BENZOTRIAZOLE

Frequently Asked Questions

What are the CAS number and molecular formula of UV-234?

CAS 70321-86-7; molecular formula C30H29N3O; molecular weight — g/mol.

What other names is UV-234 known by?

2-(2H-Benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)phenol, BENZOTRIAZOLE BT, Phenol, 2-(2H-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl)-, Tinuvin 234, 9B1ZX3NU45, DTXSID2028985.

What is the regulatory status of UV-234?

Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS.

Is UV-234 classified as hazardous?

39.1% of GHS notifications report no hazard classification (232 of 593).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.