d-(-)-threose
structural formula
| physical competition number | 0291 |
|---|---|
| molecular formula | c4h8o4 |
| molecular weight | 120.11 |
| label |
d-threose, sutang, threose |
numbering system
cas number:95-43-2
mdl number:mfcd00043042
einecs number:202-418-0
rtecs number:none
brn number:1721696
pubchem number:24900449
physical property data
1. properties: deliquescent crystals, sweet taste.
2. density (g/ml, 20℃): undetermined
3. relative vapor density (g/ml, air=1): undetermined
4. melting point (ºc): 126-136
5. boiling point (ºc, normal pressure): undetermined
6. boiling point (ºc, kpa): undetermined
7. refractive index: undetermined
8. flash point (ºc): undetermined
9. specific rotation (º): undetermined
p>
10. autoignition point or ignition temperature (ºc): undetermined
11. vapor pressure (mmhg, ºc): undetermined
12. saturated vapor pressure (kpa, ºc): undetermined
13. heat of combustion (kj/mol): undetermined
14. critical temperature (ºc): undetermined
15. critical pressure (kpa): undetermined
16. log value of oil-water (octanol/water) distribution coefficient: undetermined
17. explosion upper limit (%, v /v): undetermined
18. lower explosion limit (%, v/v): undetermined
19. solubility: easily soluble in water, slightly soluble in alcohol, difficult to soluble in ether and petroleum ether.
toxicological data
none
ecological data
none
molecular structure data
1. molar refractive index: 24.82
2. molar volume (cm3/mol): 70.7
3. isotonic specific volume (90.2k ): 204.9
4. surface tension (dyne/cm): 70.5
5. polarizability (10-24cm3): 9.84
compute chemical data
1. hydrophobic parameter calculation reference value (xlogp): -1.9
2. number of hydrogen bond donors: 3
3. number of hydrogen bond acceptors: 4
p>
4. number of rotatable chemical bonds: 0
5. number of tautomers:
6. topological molecular polar surface area (tpsa): 69.9
7. number of heavy atoms: 8
8. surface charge: 0
9. complexity: 84.1
10. number of isotope atoms : 0
11. determine the number of atomic stereocenters: 2
12. uncertain number of atomic stereocenters: 1
13. determine the chemical bond configuration number of centers: 0
14, number of uncertain chemical bond stereocenters: 0
15, number of covalent bond units: 1
properties and stability
none
storage method
none
synthesis method
none
purpose
none
extended-reading:https://www.newtopchem.com/archives/category/products/page/33extended-reading:https://www.newtopchem.com/archives/44374extended-reading:https://www.bdmaee.net/octyl-tin-mercaptide/extended-reading:https://www.bdmaee.net/rc-catalyst-201-cas12013-82-0-rhine-chemistry/extended-reading:https://www.bdmaee.net/fentacat-8-catalyst-cas111-42-2-solvay/extended-reading:https://www.newtopchem.com/archives/668extended-reading:https://www.bdmaee.net/cas%ef%bc%9a-2969-81-5/extended-reading:https://www.bdmaee.net/wp-content/uploads/2020/06/71.jpgextended-reading:https://www.cyclohexylamine.net/sponge-foaming-catalyst-smp-low-density-sponge-catalyst-smp/extended-reading:https://www.newtopchem.com/archives/44668
