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2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole

2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole structure

CAS No.: 3864-99-1

Chemical Name:: 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole

Synonyms: UV-327;TINUVIN 327;2,4-DI-TERT-BUTYL-6-(5-CHLORO-2H-BENZOTRIAZOL-2-YL)PHENOL;2,4-DI-TERT-BUTYL-6-(5-CHLOROBENZOTRIAZOL-2-YL) PHENOL;DBHCB;ditBu-ClBZT;ThasorbUv327;UV ABSORBER 327;Cyasorb UV-5357;OMNISTAB UV 327

CBNumber:: CB5142606

Molecular Formula:: C20H24ClN3O

Molecular Weight:: 357.88

MDL Number:: MFCD00059706

MOL File:: 3864-99-1.mol

MSDS File:: SDS

Last updated:2026-02-10 11:39:28

Product description	Number	Pack Size	Price
2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol 98%	423327	5G	$54.8
2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol certified reference material, TraceCERT?	49751	50mg	$79.3
2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chlorobenzotriazole >98.0%(HPLC)	D1529	25g	$57
2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol	D428015	100g	$120
2,4-Di-tert-butyl-6-(5-chloro-2H-benzo-[d][1,2,3]triazol-2-yl)phenol 95+%	098198	10g	$84
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2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole Properties

Melting point	150-153 °C(lit.)
Boiling point	469.2±55.0 °C(Predicted)
Density	1,26 g/cm³
Flash point	234°C
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
solubility	Chloroform, Ethyl Acetate (Slightly), Methanol (Slightly)
form	Solid
pka	9.23±0.48(Predicted)
color	Off-White to Pale Yellow
Stability	Light Sensitive
InChI	InChI=1S/C20H24ClN3O/c1-19(2,3)12-9-14(20(4,5)6)18(25)17(10-12)24-22-15-8-7-13(21)11-16(15)23-24/h7-11,25H,1-6H3
InChIKey	UWSMKYBKUPAEJQ-UHFFFAOYSA-N
SMILES	C1(O)=C(C(C)(C)C)C=C(C(C)(C)C)C=C1N1N=C2C=C(Cl)C=CC2=N1
Substances of Very High Concern (SVHC) Candidate List	2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol (UV-327) (3864-99-1)
CAS DataBase Reference	3864-99-1(CAS DataBase Reference)
FDA UNII	17TJE602RX
EPA Substance Registry System	2-(5-Chloro-2H-benzotriazol-2-yl)-4,6-di-tert-butylphenol (3864-99-1)
UNSPSC Code	12352200
NACRES	NA.24

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS08
Signal word	Warning
Hazard statements	H373-H412
Precautionary statements	P260-P273-P314-P501
PPE	dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
RIDADR	3077
WGK Germany	2
RTECS	3425000
TSCA	TSCA listed
HazardClass	9
HS Code	29339900
Storage Class	11 - Combustible Solids
Hazard Classifications	Aquatic Chronic 3 STOT RE 2

2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole price More Price(15)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	423327	2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol 98%	3864-99-1	5G	$54.8	2023-01-07	Buy
Sigma-Aldrich	49751	2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol certified reference material, TraceCERT?	3864-99-1	50mg	$79.3	2022-05-15	Buy
TCI Chemical	D1529	2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chlorobenzotriazole >98.0%(HPLC)	3864-99-1	25g	$57	2025-07-31	Buy
TRC	D428015	2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol	3864-99-1	100g	$120	2021-12-16	Buy
Matrix Scientific	098198	2,4-Di-tert-butyl-6-(5-chloro-2H-benzo-[d][1,2,3]triazol-2-yl)phenol 95+%	3864-99-1	10g	$84	2021-12-16	Buy

Product number	Packaging	Price	Buy
423327	5G	$54.8	Buy
49751	50mg	$79.3	Buy
D1529	25g	$57	Buy
D428015	100g	$120	Buy
098198	10g	$84	Buy

2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole Chemical Properties,Uses,Production

Uses

2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol is a UV absorber.

Definition

ChEBI: 5-Chloro-2-(3,5-di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole is a member of triazoles.

2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole synthesis

Synthesis of 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole from 4,6-Di(tert-butyl)-2-[(4-chloro-2-nitrophenyl)azo]phenol

2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole Preparation Products And Raw materials

Raw materials

ZINC 4-Chloro-2-nitroaniline Isobutylene 2,4-Di-tert-butylphenol Phenol, 2-(6-chloro-1-oxido-2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)-

Phenol,2-(5-chloro-1-oxido-2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)- 4,6-Di(tert-butyl)-2-[(4-chloro-2-nitrophenyl)azo]phenol Benzanthrone

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Preparation Products

UV-320

2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole Suppliers

Global( 372)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-029-81138252 +86-173 9270 1263	1057@dideu.com	China	3998	58
Shaanxi Dideu Medichem Co. Ltd	+86-29-81148696 +86-17392712697	1022@dideu.com	China	3995	58
Hebei Yanxi Chemical Co., Ltd.	+8618531123677	faithe@yan-xi.com	China	5853	58
Hebei Chuanghai Biotechnology Co,.LTD	+86-13131129325	sales1@chuanghaibio.com	China	5242	58
Hebei Zhuanglai Chemical Trading Co.,Ltd	+8613343047651	admin@zlchemi.com	China	3692	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718; +8613336195806	sales@capot.com	China	29735	60
Dalian Richfortune Chemicals Co., Ltd	+86-86-411-84820922 +86-8613904096939	sales@richfortunechem.com	China	305	57
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21597	55
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418679 +8618949832763	info@tnjchem.com	China	2988	55
Tianjin Zhongxin Chemtech Co., Ltd.	86-22-66880623 +8618622897568	sales@tjzxchem.com	China	572	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
Shaanxi Dideu Medichem Co. Ltd	58
Hebei Yanxi Chemical Co., Ltd.	58
Hebei Chuanghai Biotechnology Co,.LTD	58
Hebei Zhuanglai Chemical Trading Co.,Ltd	58
Capot Chemical Co.,Ltd.	60
Dalian Richfortune Chemicals Co., Ltd	57
Henan Tianfu Chemical Co.,Ltd.	55
Hefei TNJ Chemical Industry Co.,Ltd.	55
Tianjin Zhongxin Chemtech Co., Ltd.	58

View Lastest Price from 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2025-12-24	2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole 3864-99-1	US $0.10 / KG	1KG	99.0%	1000Tons	Shaanxi Dideu Medichem Co. Ltd
2025-06-27	2-5-chlorobenzotriazole 3864-99-1	US $30.00-10.00 / KG	50KG	99%	500000kg	Hebei Chuanghai Biotechnology Co., Ltd
2025-06-20	2-5-chlorobenzotriazole 3864-99-1	US $0.00 / kg	1kg	0.99	20 tons	Hebei Yanxi Chemical Co., Ltd.

2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole
3864-99-1
US $0.10 / KG
99.0%
Shaanxi Dideu Medichem Co. Ltd

2-5-chlorobenzotriazole
3864-99-1
US $30.00-10.00 / KG
99%
Hebei Chuanghai Biotechnology Co., Ltd

2-5-chlorobenzotriazole
3864-99-1
US $0.00 / kg
0.99
Hebei Yanxi Chemical Co., Ltd.

2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole Spectrum

2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole(3864-99-1)¹HNMR 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole(3864-99-1)IR1 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole(3864-99-1)Raman

3864-99-1(2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole)Related Search:

CHLOROPHOSPHONAZO III Butylated Hydroxytoluene Nonylphenol Butylated hydroxyanisole Butyl acetate

Drometrizole 4-Aminophenol tert-Butylchlorodiphenylsilane Phenol Red Phenol

UV Absorber 326 Buprofezin 2-Phenylbenzimidazole-5-sulfonic acid Ethyl 4-[[(methylphenylamino)methylene]amino]benzoate UV-329

Oxybenzone Bisoctrizole Di-tert-butyl peroxide

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2-(3,5-DI-TERT-BUTYL-2-HYDROXYPHENYL)-5-CHLORO-2H-BENZOTRIAZOLE 2-(3',5'-DI-TERT-BUTYL-2'-HYDROXYPHENYL)-5-CHLOROBENZOTRIAZOLE 2-(3,5-DI-TERT-BUTYL-2-HYDROXYPHENYL)-5-CHLOROBENZOTRIAZOLE 2-(5-Chloro-2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)-phenol 2,4-DI-T-BUTYL-6-(5-CHLORO-2 H-BENZOTRIAZOL-2-YL)PHENOL 2-(2'HYDROXY-3',5'-DI-TERT-BUTYLPHENYL)-5-CHLOROBENZOTRIAZOLE 2-(2’-hydroxy-3’,5’-ditertbutylphenyl)-5-chloro-benzotrizole 5-CHLORO-2-(3,5-DI-TERT-BUTYL-2-HYDROXYPHENYL)BENZOTRIAZOLE ULTRAVIOLET ABSORBENT UV-327 2,4-di-tert-butyl-6-(5-chloro-2H-benzo-triazol-2- Dibutylhydroxyphenylchlorobenzotriazole UV ABSORBER UV-327 ThasorbUv327 4,6-Di-tert-butyl-2-(5-chloro-2H-benzotriazol-2-yl UV ABSORBER 327 2-(2-Hydroxy-3,5-di-tert-butylphenyl)-5-chloro-[2H]-benzotriazole 2'-(2'-Hydroxy-3',5'-Di-tert-Butylophenyl)-5-Chloro Benzotriazole Tinuvin 327 Ciba 2,4-di-tert-butyl-6-(5-chloro-2-benzotriazolyl)phenol benzothazole light absorter 2-(2’-hydroxy-3’-5’-di-t-butylphenyl)-5-chlorobenzotriazole 4-di-tert-butyl-6-(5-chloro-2h-benzo-triazol-2- Phenol,2-(5-chloro-2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)- 2-(5-chloro-2h-benzotriazol-2-yl)-4,6-bis(1,1-dimethylethyl)-pheno 2-(5-Chloro-2H-benzotriazole-2-yl)-4,6-bis(tert-butyl)phenol 2-(5-Chloro-2H-benzotriazole-2-yl)-4,6-ditert-butylphenol 6-(5-Chloro-2H-benzotriazol-2-yl)-2,4-bis(1,1-dimethylethyl)phenol Cyasorb UV-5357 5-Chloro-2-(3,5-di-tert-butyl-2-hydroxyphenyl)benzotriazole 2,4-Di-tert-butyl-6-(5-chloro-2-benzotriazolyl)phenol 2,4-Di-tert-butyl-6-(5-chloro-2H-benzo[d][1,2,3]triazol-2-yl)phenol 2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol 98% 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole UV-327 2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chlorobenzotriazole Phenol,2-(5-chloro ditBu-ClBZT Octabenzone UV-327 OMNISTAB UV 327 -di-tert-butylphenyl)-5-chlorobenzotriazole 2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chlorobenzotriazole> 2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol @1000 μg/mL in Acetonitrile 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole ISO 9001：2015 REACH 2-(2'-Hydroxy-3',5'-di-t-butylphenyl)-5-chlorobenzotriazole (UV-327) Bebenzotriazole UV Absorber UV-327 CAS 3864-99-1 Light Stabilizer UV 327 2,4-DI-TERT-BUTYL-6-(5-CHLORO-2H-BENZOTRIAZOL-2-YL)PHENOL 2,4-DI-TERT-BUTYL-6-(5-CHLOROBENZOTRIAZOL-2-YL) PHENOL TINUVIN 327 UV-327 2-5-chlorobenzotriazole Sinosorb? UV-327 / Tinuvin-327 / UV Absorber-UV-327 UV Absorbers YD UV-327 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole 2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chlorobenzotriazole in methanol Eversorb 75 UV-327 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol (UV-327) 2,4-Di-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol 2-(2H-Benzotriazol-2-yl)-4-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)phenol CHLUMIUV UV-327