China (Mainland)
China biggest manufacturer,VITAMIN U,3493-12-7,DL-METHIONINE METHYLSULFONIUM CHLORIDE, CAS NO.3493-12-7
- FOB Price: USD: 10.00-10.00 /Metric Ton Get Latest Price
- Min.Order: 1 Metric Ton
- Payment Terms:
- Available Specifications:
AAA(0.5-1)Metric Ton
- Product Details
Keywords
- DL-METHIONINE METHYLSULFONIUM CHLORIDE
- Vitamin U
- Cas 3493-12-7
Quick Details
- ProName: China biggest manufacturer,VITAMIN U,3...
- CasNo: 3493-12-7
- Molecular Formula: C6H14ClNO2S
- Appearance: white power
- Application: Potassium Guaiacol Sulfonate ...
- DeliveryTime: 7days
- PackAge: aluminium
- Port: any port in china
- ProductionCapacity: 100 Metric Ton/Day
- Purity: 99%
- Storage: cool and dry
- Transportation: shipping
- LimitNum: 1 Metric Ton
Superiority
our adwantage:
1.we have stock so we can delivery quickly at the very day when receive the payment.
2.best price, first class service, high successful delivery rate. a discount would be given when you make a large order.
3.high quality guarenteed, once any problem is found, the package would be reshipped for you
4.shipping by express (fedex,ups,dhl,ems tnt hkems), by air.the most professional forwarder would be recommanded for you.
5. warm after-sale service for you 24/7. any of your question would be solved for the first as soon as possible.adhering to the principle of customer first conviction.we will provide the best and the most sincere services as possible as we can.
Details
High quality Vitamin U Cas 3493-12-7 with cheap price adnd good service
Specification
|
Items |
Specification |
Result |
|
Assay |
≥98.0% |
99.3% |
|
Appearance |
White crystalline powder |
White crystalline powder |
|
Melting point |
134-137℃ |
134-136℃ |
|
Residue on ignition |
≤0.2% |
0.06% |
|
Loss on drying |
≤3.0% |
1.0% |
|
Heavy metals |
≤20ppm |
Conform |
|
appearance |
white powder |
conform |
|
assay |
98.0%—102.0% |
98.65% |
|
option rotation |
-0.01°~+0.01° |
conform |
|
density(20°c) |
0.952—0.966g/ml |
0.954g/ml |
|
refractive index(20°c) |
1.494—1.498 |
1.497 |
|
related substances |
impurities a, c: for each impurity≤0.5% impurity b≤1.5% sum of impurity d+e≤1.0% any other impurities: meet ep requirements total impurities:≤2.5% |
conform |
|
absorbance in ethanol: at about 284nm (max) at about 254nm (min) |
42.0—45.0 7.5—9.0 |
44.0 8.8 |
|
acidity |
max.1.0ml of 0.1 n naoh |
0.04ml |
|
sulphated ashes |
≤0.1% |
0.03% |
|
heavy metals |
≤10ppm |
<5ppm |
|
lead |
≤2ppm |
0.04ppm |
|
arsenic |
≤3ppm |
<1ppm |
|
free tocopheryl |
≤1.0% |
0.35% |
|
organic volatile impurities |
meets usp requirements |
conform |