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2-Deoxy-D-ribose  

1. Introduction:

Molecular formula:C5H10O4

CAS No:533-67-5


2. Properties & index:

  • Appearance: white or off-white crystal
  • Melting point: ≥ 81 °C
  • Specific Rotation :-56 ± 2 °
  • Assay: ≥ 98 %
  • Residue on ignition: ≤ 0.5%
  • Heavy metals( ppm ) : ≤ 10

3. Uses:

  • Intermediate of nucleoside
  • Biochemical research
  • Health care product

4. Packing:

  • Sealed, plastic bag lined carton; Specification: 20 kg/drum, or following your demand.

5. Storage & transportation:

Kept in cool and dry place, avoid direct sunlight. The temperature is not more than 5 °C .

Antioxidant YD-626
English name:Bis(2.4-di-t-butylphenyl) Pentaerythritol Diphosphite
Molecular weight :604
Molecular formula :C33H50O6P2
Structural formula :
Antioxidant YD-626
It is efficient phosphite antioxidant of high phosphoric and antioxidant activity, polymer obtained effective protection under the high temperature and get good stability, remarkable luster protection, improving transparency of polymer.
Property:
　　
Item Index
Appearance White crystal powder or pellet
Melting point°C 160-180
Volatiles wt% ≤1.0
Acid value mg KOH/g ≤1.0
Free 2.4-ditert butyl phenol wt% ≤1.0

Use: Widely applied in PVC, PET, ABS, polyolefine, nylon, PPO, PBT, plastic alloy, polystyrene and other polymers. It also uses in general plastic or engineering plastic with outstanding performance to improve the light, thermostability, processing stability, mechanical strength, color stability, transparency, lengthening life and mixing with other antioxidant.
Storage and package: No flammable, no explosive, no corrosive in cool, dry place, the temperature is not higher than 35°C, the storage time is 6 months, the net weight is 25kg/box, or 25kg/bag in triad kraft or according to the customer.
Composite
YD-6215 YD- 6225 YD-6225D
Composite of YD-626 and YD-1010
It is new outstanding and high temperature antioxidant to resin of processing stability and luster improvement under the high temperature, widely used in PP, PE, PS, PA, PC, ABS, it has remarkable processing stability and protective function to polyolefine. under the high temperature.
Storage and package: No flammable, no explosive, no corrosive in cool, dry place, the temperature is not higher than 35°C, the storage time is 6 months, the net weight is 25kg/box, or 25kg/bag in triad kraft or according to the customer.
Granular product
We produce according to the customers
Request feeding simplification, environmental protection,dustlessness and safety production.
φ2.0mm-φ5mm used for granular at present.

Antioxidant YD-626 　　　Antioxidant YD-626
Characteristic and use: According to the customer or provided by company.
Storage and package: No flammable, no explosive, no corrosive in cool, dry place, the net weight is 25kg/box in cardboard box linning plastic bag.