CAS 131-57-7 Oxbenzone; Benzophenone-3

• CAS No.: 131-57-7
• Formula: C14h12o3
• EINECS: 205-031-5
• Type: Cosmetic or Tech Industry
• Appearance: Powder
• Quality: Cosmetic Grade
• Model NO.: daily industry
• Colour: Pale Yellow
• Product Name: Benzophenone-3
• Synonyms: Oxybenzone
• CAS: 131-57-7
• Application: Sunblock
• Use: UV Absorber
• Transport Package: 25kgs Cardboard Drum
• Specification: USP
• Trademark: SWC
• Origin: P. R. China
• Production Capacity: 10mts/Month

Product Description

Product Name: Benzophenone-3

Identification
Synonyms   Oxybenzone; 2-Hydroxy-4-methoxybenzophenone; UV-9; 2-Benzoyl-5-methoxyphenol; 4-Methoxy-2-hydroxybenzophenone; HMB
Molecular Formula C₁₄H₁₂O₃
Molecular Weight  228.24
CAS Number 131-57-7
EINECS/ELINCS 205-031-5
Structure

Properties
Appearance  Pale yellow crystalline powder
Melting Point  62.0-65.0ºC 
Solubility  Insoluble in water.
Stability stable under ordinary conditions

Specification

Items	Specifications
Appearance	Yellow powder
Smell	Light
Purity	99.0% min
Melting point	62.0ºC - 64.0ºC
Loss on drying	0.5% max
Heavy metals	5ppm max
Specific extinction	At 285nm. 630min
	At 325nm. 400min
Solidification point	62.0ºC -72.0ºC
GLC impurity	Individual impurity: 0.1% max
	Sum of impurities: 1.0% max
IR. Identity	Conforms
UV/VIS spectrum identity USP/NF	Conforms
Flash point	100ºC min

Application
This product is a high-efficienct UV radiation absorbing agent, capable of effectively absorbing UV radiation of 290-400 nm wavelength ,but it almost does not absorb visible light, particularly applicable to light-colored transparent products. It is well stable to light and heat, not decomposable below 200°C, applicable to paint and various plastic products, particular effective to polyvinyl chloirde, polystyrene, polyurethane, acrylic resin, light-colored transparent furniture, as well as to cosmetics , with the dosage of 0.1-0.5%.
It also is used as an ingredient in sunscreen and other cosmetics products.

Packing and Storage
Packing: In 25kgs net carton or cardboard drum
Storage:  Keep tightly closed, put it at a light-resistant place.

Safety Information
UN3077 Class9 PGIII
Detailed safety information is contained in each Material Safety Data Sheet, which can be obtained from our company.

Frequently Asked Questions

Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; 

For those high value products, you just need to freight and certain product cost. When we both cooperate for 

some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you. 

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) 

or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,

shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on 

where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement. 

Q5: How can you guarantee the goods you offer is qualified? 
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide 

for you all are qualified. We will have goods tested and provide COA before delivery for sure.