antioxidant HW-245
1 Inquiries
36443-68-2
Industrial Grade
98%
Any China Port
25kg/carton
2026-12-31
antioxidant,yellow inhibitor,dyeing auxiliary
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Product Description
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Seller Information
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Inquiry History
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Description
HW- 245
[Trade name] Antioxidant 245
[Chemical name]
Ethylenebis(oxyethylene)bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate][Structural formula]
[CAS] 36443-68-2 [Molecular weight] 586.8
[Specific gravity] 1.14 （20oC）
[Specification]
Item
Index
Appearance
White to off-white powder
Assay(HPLC)
≥98.0%
Melting point
76 ～79 oC
Volatiles
≤0.5%
Transmittance
(425nm): ≥95.0% (500nm): ≥97.0%
Solubility
Clear 10g/100g Chloroform
Ash
≤0.10%
[Use]
The product is used as an antioxidant in styrene polymer (such as HIPS, MBS, ABS), Engineering plastics (such as POM, PA) and polyurethane (such as urethane elastic fiber).[Safety]
Rabbits on the test indicate that the goods are no stimulation to the skin and no adverse reactions. Many countries allow the goods to contact the food packaging materials.
[Packing and storing]
In thick paper bag, net wt.20kg, or carton, net wt.25kg; maximum recommended storage time under suitable conditions (dry, cool, well-ventilated) beyond testing date 24 months.
ECHEMI Editorial ReferenceDryPowder; OtherSolidBasic Info-
Product Name:
Antioxidant 245
Other Name:Benzenepropanoic acid,3-(1,1-dimethylethyl)-4-hydroxy-5-methyl-,1,1′-[1,2-ethanediylbis(oxy-2,1-ethanediyl)] ester;Benzenepropanoic acid,3-(1,1-dimethylethyl)-4-hydroxy-5-methyl-,1,2-ethanediylbis(oxy-2,1-ethanediyl) ester;1,1′-[1,2-Ethanediylbis(oxy-2,1-ethanediyl)] bis[3-(1,1-dimethylethyl)-4-hydroxy-5-methylbenzenepropanoate];Triethylene glycol bis[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate];Irganox 245;Triethylene glycol bis[3-(3-tert-butyl-5-methyl-4-hydroxyphenyl)propionate];Irganox 295;Triethylene glycol bis[β-(3-tert-butyl-5-methyl-4-hydroxyphenyl)propionate];Triethylene glycol bis-[3-(3′-tert-butyl-4′-hydroxy-5′-methylphenyl)propionate];TK 12627;Triethylene glycol bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate];IR 245;Tominox 917;Tominokusu 917;ADK Stab AO 70;AO 70;Selosol J 162;Irganox I 245;Antioxidant 245;AO 245;Stabiace PH 2450;PH 2450;Triethylene glycol bis[β-(5-tert-butyl-4-hydroxy-3-methylphenyl)propionate];Ethylenebis(oxyethylene) bis[3-(5-tert-butyl-4-hydroxy-m-tolyl)propionate];Hostanox 245;TH 245;Chemnox 245;KY 586;Ethylenebis(oxyethylene)bis(3-tert-butyl-4-hydroxy-5-methylbenzenepropanoate);KY 2080;Songnox 245;IRG 245;Songnox 2450FF;Lowinox GP 45;Chinox 245;XH 245;Triethylene glycol bis(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate;AT 245;Irganox 245FF;IG 245;Ethylenebis(oxyethylene)bis-(3-(5-tert-butyl-4-hydroxy-m-tolyl)-propionate);109854-43-5;110324-77-1;134369-42-9;179045-97-7;181719-87-9;845535-92-4;1581281-32-4
CAS No.:36443-68-2
Molecular Formula:C34H50O8
InChIKeys:InChIKey=QSRJVOOOWGXUDY-UHFFFAOYSA-N
Molecular Weight:586.75600
Exact Mass:586.76
EC Number:253-039-2
UNII:R24A2HOY7J
DSSTox ID:DTXSID0044236
Categories:
Characteristics-
PSA:
111.52000
XLogP3:6.9
Appearance:DryPowder; OtherSolid
Density:1.106 g/cm3
Boiling Point:674.5ºC at 760 mmHg
Flash Point:202.4ºC
Refractive Index:1.536
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) No symbol. Signal word No signal word
Hazard statement(s) none
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions 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.
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Seller Information
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Business Type:
Manufactory
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Main Products:
antioxidant,yellow inhibitor,dyeing auxiliary
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Location:
2 Huasheng Road,Beigou Town,Penglai City,Shandong Provice,China
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Payment Terms:
L/C
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Total Annual Revenue:
$1 million-$2.5 million
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Total Employees:
101-200
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Year of Establishment:
1979
Penglai Hongwei Chemical CO.,LTD(formerly known as Penglai Hongwei Chemical Plant)is located in Beigou Chemical Industrial Zone, Penglai City, Shandong Province, China, with the size of 80092 square meters, more than 200 employees and total annual sales of three hundred million yuan. It is the biggest production base of antioxidant HW-245 and AO-80 in China and the largest domestic spandex auxiliary supporting enterprise. The company was founded in 1979. Its leading products are antioxidant HW-245，AO-80 and HW-5057,spandex yellow inhibitor SAM, HN-150,dyeing auxiliary TSA-011 etc. a dozen of varieties. The homemade product HW-245 launched in market in 2007, and the homemade AO-80 launched in market in 2008, which filled the domestic gap and broke the monopoly of foreign products. The new plant of our company was completed with 5000 tons annual capacity of HW-245 and 1000 tons annual capacity of AO-80 being the biggest manufacturer of antioxidant HW-245 and AO-80 in China. Nowadays, the spandex yellow inhibitor UDT(HN-150), dyeing auxiliary SAS, SAM and TSA-011 have received general praise due to their high quality, low cost and excellent service. Hongwei provides supporting services for more than ninety percent of the spandex enterprises at home and abroad, and it is playing an more important role in polyurethane, rubber and some other fields.Science and technology are the first productive forces! Continuous progress in technology is the original development power of an enterprise. The company holds three national invention patents, and gets the honorary title of “Yantai Science and Technology Small and Medium-sized Enterprise” and “Shandong Provincial High-tech Enterprise”.During the 12th Five-Year Plan, Hongwei people will keep on adopting the management philosophy of “vocational focus, innovation, practical and efficient”, observing the requirements of ISO9001:2008 international quality management system. Relying on strong technical power, the advanced production equipment and scientific administration idea, we will provide the best product and professional service with all our hearts for global business friends. Integrity, unity, cooperation, development! Hongwei people will always be with you to make progress every day for a better future!
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Inquiry History1 Inquiries
Country Product Purchase Quantity Date Posted 
Vietnam
Triethylene glycol (TEG)
16000 L Feb 27, 2024 Post an enquiry for this product
