3,5-Dihydroxybenzoic AcidSynonyms:
alpha-Resorcylic Acid
Molecular
Formula: C7H6O4
Formula Weight:
154.122
CAS RN:
99-10-5
Melting Point:
236 - 238 Boiling
Point:
Substance:
3,5-Dihydroxytoluene;5-Methyltesoncinol
Molecular
formula: C6H3(OH)2CH3·H20
Molecular
weight: C7H8O2·H2O=142.14
Property:
White crystal, soluble in water and alcohol; slightly soluble in
benzene, chloroform and carbon bisulfide. Avoid sunlight.
Specification:
(CP) chemical pure
Packing:
20kg
Isophthaloyl dichloride
Synonyms:
Isophthaloyl chloride; 1,3-Benzenedicarbonyl chloride; ICI; 1,3-Benzenedicarbonyl
dichloride;
Molecular
Formula: C8H4Cl2O2
Formula Weight:
203.0244
CAS RN:
99-63-8
Melting Point:
43 - 44
Boiling Point:
276
Substance:
Terephthaloyl
Dichloride
| Chemical Name |
m-Dibenzoyl Chloride |
| Structural Formula |
 |
| Molecular Formula |
203.3 |
| Boiling Point ¡æ |
266 |
| Melting Point ¡æ |
81-83 |
| Purity % |
¡Ý99.8 |
Trimethyl
Acetyl Chloride
| Synonym |
Trimethyl Acetyl Chloride |
| Structural Formula |
(CH3)3CCOCl |
| Molecular Formula |
C5H9ClO |
| Molecular Weight |
120.58 |
| CAS No. |
[3282-30-21] |
| Property |
d4200.979-0.980£¬nD201.412£¬bp104-106
oC£¬ Colorless transparent liquid with irritative odor, soluble
in various solvents |
| Specification |
| Appearance |
Colorless transparent liquid |
| Content |
¡Ý99% |
| Boiling Point |
104-106°C |
| Tert-Valeric Acid |
¡Ü0.5% |
| Tert-Valeric Acid Anhydride |
¡Ü0.5% |
|
| Packaging |
200 kg / Drum |
p-Chlorobenzyl Chloride
| Structural Formula |
 |
| Chemical Name |
p-Chlorobenzyl Chloride |
| Molecular Formula |
C7H6Cl2 |
| Molecular Weight |
161 |
| Property |
Colorless or yellowish transparent crystal,
soluble in ethanol, ether, acetone , insoluble in water. |
| Content |
≥95% |
| Use |
Used in the manufacture of intermediates
of p-cyanobenzyl chloride and fenvalerate, as well as in the
manufacture of organic dyestuffs and pharmaceuticals |
| Packaging |
200-kg iron drum lined with plastics |
p-Chlorobenzaldehyde
| Molecular Formula |
C7H5ClO |
| Property |
Pure colorless or yellow crystal or granule
substances, freely soluble in ethanol, ether, acetone, benzene
etc. |
| Quality Indexes |
| Appearance |
Colorless or yellowish crystal |
| Content |
¡Ý99£¥ (Gas Chromatography) |
| Melting Point |
45¡æ-47¡æ |
| Moisture Content |
Free Acid ¡Ü0.5 |
|
| Manufacture |
Mainly used in the manufacture of active
pharmaceutical ingredients and intermediates, pesticides,
and intermediate of dyestuff. |
| Packaging and Storing |
200L steel-plastic complex drum with the
net capacity of 249 kg, sealed in transportation, avoiding
fire and direct heating. |
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