White crystalline powder dye intermediate Phthalic anhydride
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- Supplier: Dongying City Longxing Chemical Co. Ltd.
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Product Overview
Description
Product Description
Phthalic anhydride is an organic compound with molecular formula c8h4o3. It is a cyclic anhydride formed by intramolecular dehydration of phthalic acid. Phthalic anhydride is a white solid. It is an important raw material in chemical industry, especially in the manufacture of plasticizer.
Specification
Item | Index | ||||
Top grade | First grade | Qualified product | |||
Appearance | white scaly or crystalline powder | white scaly or crystalline powder with slight colors | |||
molten Chroma(Chroma no. )≤ | 20 | 50 | 100 | ||
thermostable Chroma(Chroma no. )≤ | 50 | 150 | - | ||
Chroma of vitriol(Chroma no. )≤ | 60 | 100 | 150 | ||
crystallization point°C≥ | 130.5 | 130.3 | 130.0 | ||
Purity(mass fraction)%≥ | 99.80 | 99.50 | 99.00 | ||
Free acid(mass fraction)≤ % | 0.20 | 0.30 | 0.50 | ||
Ash(mass fraction)%≤ | 0.05 | - | - | ||
Packing & Delivery
25kg/bag，25MT/20‘FCL
Company Profile
Dongying City Longxing Chemical Co., Ltd. is a chemical enterprise, founded in 2008, located in the famous Yellow River
Delta hometown - Dongying City, Shandong Province.Our company mainly produces and sells a variety of sealants,
adhesives and chemical products , the main products: siliconesealant,glass cement, propylene glycol, glycerin, dipropylene
glycol, ethylene glycol, dimethyl sulfoxide, dimethyl carbonate, propylene carbonate, trichloroethylene, tetrachloroethylene,methylene chloride, citric acid, methyl acetate, ethyl acetate, sodium hydroxide, etc. Because of superior quality,perfect service and competitive price, our products are very popular in domestic and foreign markets.After years of development, the company's customers are all over the United States, Canada, Germany, Japan,Pakistan, India, Australia, Saudi Arabia, Africa and other countries and regions, and enjoy a good reputation in these countries.We maintain close cooperation with many famous chemical factories in China to provide customers with quality products, better delivery time and competitive prices.We sincerely welcome friends from all over the world to visit our company and cooperate with us on the basis of long-term mutual benefit.
Delta hometown - Dongying City, Shandong Province.Our company mainly produces and sells a variety of sealants,
adhesives and chemical products , the main products: siliconesealant,glass cement, propylene glycol, glycerin, dipropylene
glycol, ethylene glycol, dimethyl sulfoxide, dimethyl carbonate, propylene carbonate, trichloroethylene, tetrachloroethylene,methylene chloride, citric acid, methyl acetate, ethyl acetate, sodium hydroxide, etc. Because of superior quality,perfect service and competitive price, our products are very popular in domestic and foreign markets.After years of development, the company's customers are all over the United States, Canada, Germany, Japan,Pakistan, India, Australia, Saudi Arabia, Africa and other countries and regions, and enjoy a good reputation in these countries.We maintain close cooperation with many famous chemical factories in China to provide customers with quality products, better delivery time and competitive prices.We sincerely welcome friends from all over the world to visit our company and cooperate with us on the basis of long-term mutual benefit.
FAQ
1. who are we?
We are based in Shandong, China, start from 2008,sell to Domestic Market(40.00%),Southeast Asia(36.00%),Mid East(6.00%),South Asia(6.00%),Eastern Asia(3.00%),North America(00.00%),South America(00.00%),Eastern Europe(00.00%),Africa(00.00%),Oceania(00.00%),Western Europe(00.00%),Central America(00.00%),Northern Europe(00.00%),Southern Europe(00.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Organic Chemical,Inorganic Chemical
4. why should you buy from us not from other suppliers?
High-quality products, high-quality service, good reputation, rich exporting experiences, close to Qingdao port, strong support from factories,solid foundation.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF；
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Western Union;
Language Spoken:English,Chinese
We are based in Shandong, China, start from 2008,sell to Domestic Market(40.00%),Southeast Asia(36.00%),Mid East(6.00%),South Asia(6.00%),Eastern Asia(3.00%),North America(00.00%),South America(00.00%),Eastern Europe(00.00%),Africa(00.00%),Oceania(00.00%),Western Europe(00.00%),Central America(00.00%),Northern Europe(00.00%),Southern Europe(00.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Organic Chemical,Inorganic Chemical
4. why should you buy from us not from other suppliers?
High-quality products, high-quality service, good reputation, rich exporting experiences, close to Qingdao port, strong support from factories,solid foundation.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF；
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Western Union;
Language Spoken:English,Chinese
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