Maleic acid Cis-Butenedioic acid 110-16-7
Maleic acid [110-16-7]
Product Name: |
Maleic acid |
Synonyms: |
cis-2-Butenedioic acid; (2Z)-but-2-enedioic acid; methylidenepropanedioic acid; (2E)-but-2-enedioic acid; Cis-Butenedioic acid |
CAS RN.: |
110-16-7 |
EINECS: |
203-742-5 |
Molecular Weight: |
116.0722 |
Molecular Formula: |
C4H4O4 |
MALEIC ACID (pharmaceutical excipient)
CHEMICAL NAME |
Maleic acid |
|
MOLECULAR FORMULA |
MOLECULAR WEIGHT |
CAS No. |
C4H4O4 |
116.07 |
110-16-7 |
DESCRIPTION: |
This product is white or almost white crystalline powder, with a special odor. |
SPECIFICATION
Physical and chemical identification |
positive reaction |
|
HPLC identification |
Consistent with the retention time of the main peak of the reference solution |
|
Infrared identification |
Consistent with the control |
|
Assay: |
≥99.0% |
|
melting point: |
133℃~137℃ |
|
acidity: |
≤2.0 |
|
Clarity and color: |
Clear and colorless |
|
Fumaric acid and other related substances |
Fumaric acid: |
≤0.5% |
Other largest single hybrid: |
≤0.1% |
|
Other general miscellaneous: |
≤1.0% |
|
Water: |
≤2.0% |
|
Burning residue: |
≤0.1% |
|
ferric salt: |
≤0.0005% |
|
Heavy metals (in PB): |
≤10μg/g |
|
Total aerobic bacteria: |
≤1000 cfu/g |
|
Number of mould and yeast: |
≤100 cfu/g |
|
Escherichia coli: |
No detection |
Application:
Preparation of pesticide marathon, dajingsong and fumaric acid And unsaturated polyester resin, dyeing aids and oil preservatives.
Packing:
25kg / barrel, medical low density polyethylene bag packaging
Storage conditions:
Closed storage
Safety precautions:
Use personal protective equipment. Avoid inhalation and contact with eyes and skin. Ensure good ventilation / exhaust workplace. Wash hands immediately after use.
Transportation conditions:
According to ADR / rid, IMDG, ICAO / IATA, the substance is not dangerous goods
Q&A:
1.Are you a manufacturer or trade company
We have our own factory which located in Zhejiang,China.Meanwhile,we also have many parter factorier,so we can supply many kinds of relative products with very competitive price and good quality.
2.How to start an order
After negoation and communication about the price,quantity,incoterm,etc.,you give me the order contract with stamp,then I sealed it ,send back to you,also give you the proforma invoice,you can arrange the payment according the PI.
3.What’s your payment terms
If sample,small amount: T/T in advance, ,Paypal.
If commercial order ,big amount: T/T in advance,L/C at sight.
4.Can I get a free sample
If this product is not very expensive,and you demand a small sample,we can supply free sample,but not including the shipping cost,you can provide a freight collect account or arrange the shipping cost by Paypal/Westunion.
5.What's the lead time
Generally we send out your order ASAP after payment,normally
small quanitity,3-5days.
big quanitity with stock,5-7days,
if without stock,we have to calculate the production period,then give you the lead tme.
6.How do you ship the order normally
If less than 50kg,will be shipped by express,such as FEDEX,DHL.
If above 50kg,we can ship it by air or sea
For very large quantity,ship it by sea will be the best choice.
7.How do you ensure the quality of your products
Strict QC with 6 steps testing from raw material purchase to finished product.
Meanwhile,we will responsible for the goods quality after be sold.
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