| ITEM |
SPECIFICAITON |
RESULTS |
| Appearance |
Clear liquid, without
mechanical impurities |
pass |
| Purity |
≥99.9% |
99.97 |
| Methanol |
≤0.001% |
0.0001 |
| Heavy constituents (as n,n-dimethylacetamide) |
As negotiated, % |
0.008 |
| Chroma (in Hazen, Pt-Co) |
≤5 |
5 |
| Moisture |
≤0.05% |
0.0053 |
| Fe |
≤0.05% |
0.001 |
| Acidity (as formic acid) |
≤0.001% |
0.0005 |
| Alkalinity (as dimethylamine) |
≤0.001% |
0.0005 |
| PH value at 25ºC |
6.5-8.0 |
7.5 |
| Conductivity at 25ºC(us/cm) |
≤2 |
0 . 93 |
N,N-Dimethylformamide used for plastic film making/ used to remove paint stripper
Dimethyl Formamide(DMF)
Dimethyl Formamide (DMF) is a colorless and transparent liquid, which is miscible with water and most organic solvents. Pure dimethylformamide has a special odor, and industrial grade or deteriorated dimethylformamide has a fishy smell because it contains impurities of dimethylamine. The source of the name is that it is the dimethyl substituent of formamide (the amide of formic acid), and both methyl groups are located on the N (nitrogen) atom. It is a common solvent for chemical reactions. As a polar (hydrophilic) aprotic solvent with a high boiling point, it can promote the SN2 reaction mechanism.
Dimethylformamide (DMF) is an important chemical raw material and a solvent with excellent performance. It is also an important intermediate in organic synthesis.
Mainly used in polyurethane, acrylic fiber, medicine, pesticides, dyes, electronics and other industries.
In the polyurethane industry as a washing curing agent, mainly used in the production of wet synthetic leather;
In the pharmaceutical industry as a synthetic drug intermediates, widely used in the production of doxycycline, cortisone, sulfonamides;
In the pesticide industry for the synthesis of high efficiency and low toxicity pesticide insecticides;
As a solvent in acrylic fiber industry, it is mainly used in dry spinning production of acrylic fiber. In the dye industry as a dye solvent;
In the electronics industry as tinned parts hardening and circuit board cleaning;
Other industries include carriers of dangerous gases, solvents for pharmaceutical crystallization, adhesives, etc.
Shanghai Guanru Chemical Co., Ltd.
Shanghai Guanru Chemical Co., Ltd. (Shandong Weiyijia Chemical Co., Ltd.) is a group company focusing on defoamer products R&D and trading of chemicals, our product includes but not limited to: Defoamer,Papermaking aid,Catalyst,BPA, Epoxy Resin, Adipic Acid, PAM, PVC,Citric acid,Choline Chloride,ECH,Acrylamide, Methylene Chloride,DMF,Acrylic acid,Methyl Acrylate,Titanium Dioxide etc. We have production bases in Hangzhou of Zhejiang and Xuancheng of Anhui, mainly producing defoamer , papermaking auxiliaries and acrylonitrile catalyst,we also a large agent of Qilu keli and Sinopec for the business of catalyst. Guanru Chemical can provide global customers with products and solutions in various fields such as pulping&paper-making industry, textile printing and dyeing industry, architectural coatings industry, water treatment,petroleum industry and etc.
Supply "Excellent Quality + Reasonable Price + Specialized Services" is our development tenet. The company have scientific management, strong technology and sincerely service system. We welcome customers all over the world visit for business negotiation on the basic of sincerely cooperation and mutual benefit!
Reasonable price
Have excellent quality and reasonable price is one of the important factors for enterprises to maintain their advantage in the market competition. Based on the basic principle of "Add Value For Customers", Our company set the prices of each product in accordance with market condition to achieve a win-win situation with partners.
Professional services
Professional service attitude and professional service quality is the key to ensure the quality of service. We listen to the voice of customers, through a high-quality professional team, accurately grasp customer needs, provide professional and effectively solutions for customers and pursue the highest customers satisfaction.
Innovative Concept
Established a complete innovation system to accelerate product structure adjustment.
Excellent quality
We always insist that product quality isthe foundation of enterprise survival and development.
Reasonable price
We adhere to the principle of "creatingvalue for customers" and make cost-effective defoamers.
Professional Services
Listen carefully to customers' voicestruly solve customers' problems, andpursue higher customer satisfaction.
Packing:190kg/Drum or customer require.
1 Q:Are you manufacturer?
A: Yes, We are the largest manufacture on defoamers, ECH, adipic acid and polyacrylamide etc. We have stock on all standards of defoamers, ECH, adipic acid and polyacrylamide etc.
2 Q: How can you guarantee your quality?
A: Our factory owns mature production line under EPR quality system. We can guarantee the stability and qualification of the raw materials. And we also have SOP loading system to ensure the safety and timely transportation.
3 Q: Can I get some samples?
A: Yes, we can supply samples free of charge, the courier shipping cost will be prepaid by customers.
4 Q: How to confirm the Product Quality before placing orders?
A : You can get free samples from us or taking our previous SGS Reports as reference or arrange SGS before loading.
5 Q: What is your MOQ?
A: Our MOQ is 20'FCL for each product.
6 Q: What kind of package do you have?
A: We have many different packages to meet needs of our customers,like Iron drums, plastic drums, IBC drums, Flexitank, ISO TANK and bags etc.
7 Q :Which kind of payment terms do you accept?
A: TT, LC at sight/ LC 30/60days payment terms are acceptable.
8 Q:Can you give me a discount price?
A: Yes. It depends on your order qty.
9 Q: How about your delivery? How long is your delivery time?
A: Prompt and reliable delivery by professional shipping lines.
Generally it takes 14 days after deposit or original LC.
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