High purity Tetrahydrophthalic anhydride 98% TOP1 supplier in China
2 Inquiries
85-43-8
according to the clients requirement
2026-07-26
N-Diethyl-m-toluamide,6-Methyluracil,Anisole,4-Dimethoxybenzoic acid,CS (lacrimator),Daucosterol
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Product Description
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Seller Information
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Inquiry History
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DescriptionKeywords
Tetrahydrophthalic anhydride supplier
Tetrahydrophthalic anhydride 98%
Tetrahydrophthalic anhydride China
Quick DetailsProName:High purity Tetrahydrophthalic anhydride 98% TOP1 supplier in China
CasNo:85-43-8
Molecular Formula:C8H8O3
Appearance:white crystal
Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
DeliveryTime:prompt
PackAge:according to the clients requirement
Port:Shanghai
ProductionCapacity:1-100 Metric Ton/Month
Purity:98%
Storage:Store in dry, dark and ventilated place.
Transportation:by sea or by air
LimitNum:100 Gram
SuperiorityDayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities of custom synthesis chemicals in lab, plant and industrial scale with more than fifteen years.
DayangChem exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, Dayangchem is your best choice.
Pls contact with us freely for getting detailed product specifications, product tech. date sheet, COA and MSDS, prices, delivery time and payment terms.
Details
Dayang Chem (Hangzhou) Co. Limited, established in 2000, dedicated to the development, production and marketing of chemicals. We are a leading manufacturer and supplier of chemicals in China.
Manufacturing base: The Company has some Manufacturing base in Zhejiang, Jiangsu and Shandong provide. These bases focus on production and Contract Manufacturing.
Sales agent: Dayangchem are authorized by many Chinese chemical manufacturers as universal agency and international area agency. Dayangchem has established very good cooperation and business relations with hundreds of Chinese qualified manufacturers by long time business intercourse.
Strong quality control system: Strength of our ethical commitment to quality control and quality assurance systems firmly based on ISO standard. QA and QC used in the whole process of raw material control, process control and finished product quality inspection.
Third lab test: Audit directly and tested by third party like SGS or INTERTEK in any time will be accepted under required.
Flexible payment terms: Various payment terms such as L/C,D/P,D/A and T/T will be accepted. Special Notice: DAYANGCHEM never require customers to remit payment to a personal account. Beware of being cheated.
Rich experience in sales: 1000 square meters of office space with independent property rights, Sales team of nearly 40 people. Our customers throughout the world, especially the world-renowned companies, such as BACHEM, BASF, CELANESE, CORDEN,DOW,EVONIK, GENZYME,HENKEL, MERCK,ROCHE,SANOFI,SOLVAY.
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Basic Info-
Product Name:
1,2,3,6-Tetrahydrophthalic anhydride
Other Name:1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-;4-Cyclohexene-1,2-dicarboxylic anhydride;3a,4,7,7a-Tetrahydro-1,3-isobenzofurandione;Maleic anhydride-butadiene adduct;Δ4-Tetrahydrophthalic anhydride;1,2,3,6-Tetrahydrophthalic anhydride;Tetrahydrophthalic anhydride;Tetrahydrophthalic acid anhydride;4-Cyclohexene-1,2-dicarboxylic acid anhydride;1,2,3,6-Tetrahydrophthalic acid anhydride;Rikacid TH;Cyclohexene-4,5-dicarboxylic anhydride;Rikacid THPA;NSC 82642;KBH 1098;HK 019;B 570H;THPA;Epiclon B 570H;Tetrahydroisobenzofuran-1,3-dione;1,3,3a,4,7,7a-Hexahydro-2-benzofuran-1,3-dione;Anhydride 70;27936-16-9;57570-09-9;1312159-69-5;1431295-16-7;2377923-09-4
CAS No.:85-43-8
UN No.:2698
Molecular Formula:C8H8O3
InChIKeys:InChIKey=KMOUUZVZFBCRAM-UHFFFAOYSA-N
Molecular Weight:152.147
Exact Mass:152.15
EC Number:201-605-4
ICSC Number:1372
NSC Number:292900|82642
UN Number:1760|2698
DSSTox ID:DTXSID3026516|DTXSID1058713
Color/Form:White crystalline powder
Categories:
Characteristics-
PSA:
43.37
XLogP3:0.6522
Appearance:White crystal powder
Density:1.20 g/cm3 @ Temp: 105 °C
Melting Point:102 °C
Boiling Point:195 °C @ Press: 50 Torr
Flash Point:157°C
Refractive Index:1.529
Water Solubility:Solubility in water: reaction
Storage Conditions:Treasury ventilation low temperature drying, and oxidants, amine stored separately
Vapor Pressure:Vapour pressure, Pa at 20°C: 1
Vapor Density:Relative vapour density (air = 1): 5.3
Henrys Law Constant:Henry's Law constant = 1.89X10-5 atm-cu m/mole at 25 °C (est)
Experimental Properties:LEAVES; MP: 128 °C; DECOMP IN HOT WATER; VERY SOL IN ALC, BENZENE; SPECIFIC OPTICAL ROTATION: +6.6 DEG @ 25 °C/D (IN ALCOHOL) /TETRAHYDROPHTHALIC ANHYDRIDE (TRANS, D)/|CRYSTALS FROM BENZENE & CARBON TETRACHLORIDE; MP: 141 °C; DECOMP IN HOT WATER; SOL IN BENZENE, ALC, CHLOROFORM /TETRAHYDROPHTHALIC ANHYDRIDE (TRANS, DL)/|Solidification point: 99-101 °C|Hydroxyl radical reaction rate constant = 6X10-11 cu cm/molecule-sec at 25 °C (est)
Air and Water Reactions:Reacts exothermically with water to form memtetrahydrophthalic acid.
Reactive Group:Hydrocarbons, Aliphatic Unsaturated
Reactivity Alerts:Water-Reactive
Reactivity Profile:MEMTETRAHYDROPHTHALIC ANHYDRIDE is combustible. Reacts with oxidizers. Reacts exothermically with water. These reactions are usually slow, but can become violent when local heating accelerates their rate. Acids accelerate the reaction with water. Incompatible with acids, strong oxidizing agents, alcohols, amines, and bases.
Autoignition Temperature:450 °C
Hazard IdentificationClassification of the substance or mixture
Serious eye damage, Category 1
Skin sensitization, Category 1
Respiratory sensitization, Category 1
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 3
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Danger
Hazard statement(s) H318 Causes serious eye damage
H317 May cause an allergic skin reaction
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
H412 Harmful to aquatic life with long lasting effects
Precautionary statement(s) Prevention P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P272 Contaminated work clothing should not be allowed out of the workplace.
P284 [In case of inadequate ventilation] wear respiratory protection.
P273 Avoid release to the environment.
Response P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P317 Get medical help.
P302+P352 IF ON SKIN: Wash with plenty of water/...
P333+P317 If skin irritation or rash occurs: Get medical help.
P321 Specific treatment (see ... on this label).
P362+P364 Take off contaminated clothing and wash it before reuse.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P342+P316 If experiencing respiratory symptoms: Get emergency medical help immediately.
Storage none
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
NO open flames. 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
Separated from food and feedstuffs. Dry. Well closed.Separated from food and feedstuffs. Dry. Well closed.
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Seller Information
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Business Type:
Manufactory
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Main Products:
N-Diethyl-m-toluamide,6-Methyluracil,Anisole,4-Dimethoxybenzoic acid,CS (lacrimator),Daucosterol
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Location:
RM901-7,Unit 2,259# WenSan Road, Xihu District, Hangzhou Zhejiang, China
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Payment Terms:
TT against copy of documents,D/P,L/C,D/A,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
2
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Total Annual Revenue:
$10 million-$25 million
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Total Employees:
11-50
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Year of Establishment:
2020
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Certifications:
Dangerous Chemicals Business License,Pesticide Business License,ISO 9001:2015
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Inquiry History2 Inquiries
Country Product Purchase Quantity Date Posted 
India
THPA
1 MT Apr 22, 2024
India
1,2,3,6-Tetrahydrophthalic anhydride
500 KG Jul 8, 2023 Post an enquiry for this product
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