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D-(+)-Camphoric acid

D-(+)-Camphoric acid structure

CAS No:
124-83-4
Formula:
C10H16O4
Chemical Name:
D-(+)-Camphoric acid
Synonyms:
(1R,3S)-(+)-CAMPHORIC ACID;(1R,3S)-CAMPHORIC ACID;(1R,3S)-1,2,2-TRIMETHYL-1,3-CYCLOPENTANEDICARBOXYLIC ACID;(+)-CAMPHORIC ACID;1,3-Cyclopentanedicarboxylic acid, 1,2,2-trimethyl-, (1R-cis)-;D-caMphor acid;D(+)-CaMphoric acid, 99% 100GR;(1R,3S)-1,2,2-triMethylcyclopentane-1,3-dicarboxylic acid
Categories:
Active Pharmaceutical Ingredients > Nervous System Drugs

Description

white to light yellow crystal powde

ChEBI: ()-Camphoric acid is a dicarboxylic acid.

Camphoric acid is a diacid, generally prepared by the oxidation of terpene (+)-camphor. It can be used as a chirality inducing agent in some organic reactions.

Purify the acid by re-precipitation from an alkaline solution by HCl, filter it off, and recrystallise it from water several times, rejecting the first crop. It forms leaflets from EtOH and Me2CO and H2O and is insoluble in CHCl3. Its solubility in H2O is 0.8% at 25o and 10% at 100o, 50% in EtOH and 5% in ethylene glycol. The (±)-acid has m 202-203o. The (+)-1-methyl ester has m 86o (from pet ether) [] 20 +45o (c 4, EtOH), and the (+)-3-methyl ester has m 77o (from pet ether) []17.5 +53.9o (c 3, EtOH). [Rupe & Thommen Helv Chim Acta 30 933

D-(+)-Camphoric acid Basic Attributes

Molecular Weight：

200.23

Exact Mass：

200.23

BRN：

2050204

EC Number：

204-715-0

TSCA：

TSCA listed

Color/Form：

White

HScode：

29172090

Characteristics

PSA：

74.6

XLogP3：

1.59810

Appearance：

White Crystalline Powder

Density：

1.1860

Melting Point：

186-189 °C

Boiling Point：

297.96°C (rough estimate)

Flash Point：

156.7±19.7 °C

Refractive Index：

1.4459 (estimate)

Water Solubility：

0.8 g/100 mL

Storage Conditions：

Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Vapor Pressure：

0.000119mmHg at 25°C

Specific rotation：

46.5 º (c=10, C2H5OH)

PKA：

pK1: 4.57;pK2: 5.10 (25°C)

Critical Temperature & Pressure：

Sealed in dry,Room Temperature

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

safety instructions：

24/25

Marks：

Storage features：

+4°C

Stability/Shelf Life：

Stable under normal temperatures and pressures.

Hazard Statements：

D-(+)-Camphoric acid Use and Manufacturing

(1R,3S)-Camphoric Acid is used primarily as a reagent in syntheses of crystalline structures. It is used in the preparation of polymeric transition metal dipyridylamine D-camphorate complexes.

(1R,3S)-(+)-Camphoric acid may be used in the preparation (1R,2S,3R,5S)-2,3-dibenzyl-1,8,8-trimethyl-3-thianiumbicyclo[3.2.1]octane perchlorate. It reacts with uranyl nitrate in pyridine(py) or py/methanol(MeOH) to form novel uranyl-organic assemblages.

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