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Chian factory supply UV-329 CAS NO 3147-75-9

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CAS No.:

3147-75-9

Grade:

Chemical Grade

Content:

99%

Port:

shanghai

Packaging:

25/kg drum

Price valid (until):

2025-06-20

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Hubei Shengtong Import & Export co.,Ltd

Company Type:

Trader

Location:

China

Qualification:

Main Products:

the pharmaceutical raw materials, pharmaceutical intermediates, basic chemicals and agrochemicals,Glyoxal,Oxalic acid dihydrate,Allantoin,OXALIC ACID,Glyoxylic acid

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Product Description
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Inquiry History

Description

Product Detail

Name:UV-329

CAS NO:3147-75-9

Molecular formula:C20H25N3O

Molecular weight:323.4

Purity(%):99

Melting point(°C):103°C-106°C

Application: Used in PET ,PVC-U,PS,PMMA,PC,ABS,PO,Especially suitable for engineering plastic and transparent product .

Appearance/Colour: Slightly yellowish powder

Company Introduction

Hubei Shengtong Import and Export Co., Ltd. is a start-up company focused in the trading of the import and export of chemicals,established in March 2025. Shengtong is expected to commit to offer the import and export of the high quality of the pharmaceutical raw materials, pharmaceutical intermediates, basic chemicals and agrochemicals, etc..

Shop High quality Imidazolidinyl Urea CAS No. 39236-46-9-Detailed Image 1

Company philosophy: Customer First, Integrity-Driven Operations, Commitment to Innovation, and Collaborative Win-Win Partnerships ‌ . w e eagerly anticipate joining hands with partners from all sectors to jointly create a brighter future.

Shop High quality Imidazolidinyl Urea CAS No. 39236-46-9-Detailed Image 2

Customer First : Committed to meeting customer needs and providing the highest quality services and products .
Integrity-Driven Operations : Adhere to honesty and trustworthiness, establish long-term stable business relationships .
Commitment to Innovation : Continuously developing new technologies, optimizing products and services to adapt to market changes .
Collaborative Win-Win Partnerships : Growing together with suppliers, customers, and partners to achieve mutual benefit and win-win outcomes.

ECHEMI Editorial Reference

An UV light absorber.
DryPowder; OtherSolid; PelletsLargeCrystals
The ultraviolet absorber UV-329 is a highly effective anti-aging additive with excellent performance. It is soluble in benzene, styrene Chemicalbook, dichloromethane and cyclohexane, slightly soluble in alcohols, insoluble in water; it can effectively absorb 270- 380 nanometer ultraviolet light; non-flammable, non-explosive, non-toxic, safe and harmless to use.

Basic Info

Product Name:

UV-329

Other Name:

EUSORB 323;2-(2'-HYDROXY-5'-TERT-OCTYLLPHENYL)BENZOTRIAZOLE;2-(2'-HYDROXY-5'-TERT-OCTYL PHENYL) BENZOTRIAZOLE;2-(2-HYDROXY-5-TERT-OCTYLPHENYL)BENZOTRIAZOLE;2-(2h-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbu;2-(2'-Hydroxy-5'-octylphenyl)benzotriazole;Uv-329(5411);2-(2’-hydroxy-5’-(1-1-3-3-tetramethylbutyl)phenyl)benzotriazole

CAS No.:

3147-75-9

Molecular Formula:

C20H25N3O

InChIKeys:

IYAZLDLPUNDVAG-UHFFFAOYSA-N

Molecular Weight:

323.43

Exact Mass:

323.43

EC Number:

221-573-5

UNII:

R775Y233N3

TSCA:

TSCA listed

DSSTox ID:

DTXSID9027522

Color/Form:

White to Off-White

HScode:

2933997500

Categories:

UV Absorbers

Characteristics

PSA:

50.9

XLogP3:

7.3

Appearance:

DryPowder; OtherSolid; PelletsLargeCrystals

Density:

1.10±0.1 g/cm3(Predicted)

Melting Point:

106-108 °C(lit.)

Boiling Point:

471.8±55.0 °C(Predicted)

Flash Point:

239.2±31.5 °C

Refractive Index:

1.585

Water Solubility:

2μg/L at 20℃

Vapor Pressure:

0Pa at 20℃

Flammability characteristics:

Not classified

PKA:

8.07±0.45(Predicted)

Critical Temperature & Pressure:

2-8°C

See More UV-329 Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More UV-329 Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
the pharmaceutical raw materials, pharmaceutical intermediates, basic chemicals and agrochemicals,Glyoxal,Oxalic acid dihydrate,Allantoin,OXALIC ACID,Glyoxylic acid

Location:
Room 1008, Tower A, JiangChengTianJie 518, Qingnian Road, Jianghan District, Wuhan, Hubei Province, China

Year of Establishment:
2025

Inquiry History

1 Inquiries

Country	Product	Purchase Quantity	Date Posted
China	UV resistance podwer	1000 KG	May 19, 2026

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Chian factory supply UV-329 CAS NO 3147-75-9

Product Description

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