HENAN SUNLAKE ENTERPRISE CORPORATION
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Business Type:Trading Company
Tel: +86-371- 86259723
Tel: 17734809689
Tel: 17734809689
Tel: 86-371-86259723
Tel: 17734809689
Tel: 17734809689
Mobile: 17734809689
Tel: +86-371- 86259723
Fax: +86-371- 86259723
Province/state: HENAN
City: ZHENGZHOU
Street: Mingmen International Center, NO.222 Dongming Road,Zhengzhou,Henan,China
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CAS NO.623-68-7
| Crotonic anhydride Basic information |
| Product Name: | Crotonic anhydride |
| Synonyms: | 2-Butenoicacid,anhydride;anhydridkyselinykrotonove;crotonicacidanhydride;CROTONIC ANHYDRIDE;2-butenoic anhydride;TRANS-2-BUTENOIC ANHYDRIDE;2-Butensureanhydrid;CROTONSAEUREANHYDRID |
| CAS: | 623-68-7 |
| MF: | C8H10O3 |
| MW: | 154.16 |
| EINECS: | 210-807-1 |
| Product Categories: | Pharmaceutical Intermediates |
| Mol File: | 623-68-7.mol |
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| Crotonic anhydride Chemical Properties |
| bp | 248 °C(lit.) |
| density | 1.04 g/mL at 25 °C(lit.) |
| refractive index |
n |
| Fp | 231 °F |
| CAS DataBase Reference | 623-68-7(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Butenoic acid, anhydride(623-68-7) |
| Safety Information |
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 3265 8/PG 3 |
| WGK Germany | 3 |
| RTECS | GQ6125000 |
| HazardClass | 8 |
| PackingGroup | III |
| Hazardous Substances Data | 623-68-7(Hazardous Substances Data) |
| MSDS Information |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
Our Services
There is no any quality claim after sale, how do you make it
1. Our staff are all experienced and with chemistry related major background, they will study and confirm what EXACT PRODUCT YOU NEED!
2. Free sample or Pre-shipment sample are available for NEW Project of NEW customers before commercial purchasing.
3. Third Party Inspection like SGS can be arranged according to requirement.
4. On-Spot QC in our APPROVED associated production bases with necessary certification like GMP, ISO etc.
5. Routine PLANT AUDIT by techniques from us or customers.
How can you guarantee the quality we receive is same as the sample or specification
1. Third Party like CIQ, SGS inspection before shipment upon request.
2. In Case of PSS we will hold the cargo until approval from customer side.
3. We have clear and detailed quality clause in contract with manufacturer, if any discrepancy of quality/quantity, they will take responsibility.
I put order and pay to you, how do you pack and deliver my cargo to me
We have strict training process about SOP of Packing and Shipping.
Detailed SOP profile is available for different mode like Safe Cargo and Dangerous Cargo by
Sea, Air, Van or even Express Shipment.
How to do if my cargo fell into the sea
That won’t happen. Haha.
If that happened, you are very lucky, you can claim a big money with the Insurance
Company, we always put Insurance on half of you before shipment.
I need the material urgently, hurry! Hurry!ok
Let’s pray you will receive the cargo in a wink.Joking!
Don’t worry, Fast and On-time delivery are the key concerns in our mind. We always bookshipment through reputed liner even their charge are higher to us.
Will your company be missing after we pay you in advance
We do chemicals in life! We will never get missing.
Is there a solution That our payment are safe, and shipment proceed on time
You can use Trade Assurance Service by Alibaba Group. Pls refer to the link for more information.
