CAS 31570-04-4 Tirsphosphate; Antioxidant-168

• CAS No.: 31570-04-4
• Formula: C42h63o3p
• EINECS: 250-709-6
• Certification: REACH
• Environmental Protection: No
• Color: White
• Model NO.: Plastic additives
• Kind: Plasticizer
• Appearance: Powder
• Product Name: Antioxidant-168
• CAS: 31570-04-4
• Synonyms: Tirsphosphate
• Melting Point: 183.0-187.0°c
• 4-D2I-Tert-Butyl Phenol: 0.20% Max
• Acid Value: 0.3 Mg/G (KOH) Max
• Transport Package: in 25kgs Net Carton.
• Trademark: SWC
• Origin: P. R. China
• Production Capacity: 10mts/Month

Product Description

 


Product Name:  Antioxidant 168

Identification
Synonyms   Tris(2,4-di-tert-butylphenyl) phosphite 
Molecular Formula [[(CH₃)₃C]₂C₆H₃O]₃P
Molecular Weight  646.94
CAS Number 31570-04-4
EINECS/ELINCS 250-709-6
Structure




Properties
Appearance  white powder or granular
Melting Point  183-187°C 
Stability stable under ordinary conditions

Specification

Item	Specification
Appearance	White powder or granular
Content	99.0% Min
Volatile	0.30% Max
Methylbenzene solubility	Clear
Transmittance 425nm	98.0% Min
Transmittance 500nm	98.0% Min
Acid value	0.3 mg/g (KOH) max
Hydrolysis resistance (90°C Water,14h)	Pass
Melting point	183.0-187.0°C
2,4-di-tert-butyl phenol	0.20% Max

Application
Used as an antioxidant for plastic such as polycarbonate, polyolefins. It shows synergistic effect with phenolic antioxidants for color stability and polymer viscosity.

Packing and Storage
Packing In 25kgs net carton. 
Storage  Keep tightly closed.

Safety Information
Non-hazardous for air, sea and road freight.
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 or Alibaba trade insurance. 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.