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Cas Database

Name	L(-)-Camphorsulfonic acid	EINECS	252-817-9
CAS No.	35963-20-3	Density	1.331 g/cm³
PSA	79.82000	LogP	2.35040
Solubility	soluble in water	Melting Point	198 °C (dec.)(lit.)
Formula	C₁₀H₁₆O₄S	Boiling Point	467.7°C at 760 mmHg
Molecular Weight	232.301	Flash Point	236.6°C
Transport Information	N/A	Appearance	white to light yellow crystal powder
Safety	26-36/37/39-45-24/25-27	Risk Codes	34
Molecular Structure		Hazard Symbols	C
Synonyms	Bicyclo[2.2.1]heptane-1-methanesulfonicacid, 7,7-dimethyl-2-oxo-, (1R)-;(-)-(1R)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptane-1-methanesulfonic acid;(-)-10-Camphorsulfonic acid;(-)-Camphorsulfonic acid;(1R)-10-Camphorsulfonic acid;(R)-(-)-CSA;(R)-Camphor-10-sulfonic acid;l-10-Camphorsulfonic acid;L-(-) Camphor-10-Sulfonic Acid;	Article Data	17

L(-)-Camphorsulfonic acid Synthetic route

: 188416-34-4, 137234-71-0
(2R,3S)-2-(2,4-difluorophenyl)-3-(5-fluoro-4-pyrimidinyl)-1-(1H-1,2,4-triazol-1-yl)-2-butanol (1R)-10-camphorsulfonate

: 35963-20-3
(R)-10-camphorsulfonic acid

Conditions

Conditions	Yield
Stage #1: (2R,3S)-2-(2,4-difluorophenyl)-3-(5-fluoro-4-pyrimidinyl)-1-(1H-1,2,4-triazol-1-yl)-2-butanol (1R)-10-camphorsulfonate With potassium carbonate In dichloromethane; water pH=8.9; Stage #2: In dichloromethane; cyclohexane at 20 - 50℃; for 8h; Reagent/catalyst;	93.2%

: 357-57-3
brucine

: 5872-08-2
10-camphorsufonic acid

A: 3144-16-9
(1S)-10-camphorsulfonic acid

B: 35963-20-3
(R)-10-camphorsulfonic acid

: 5872-08-2
10-camphorsufonic acid

: 35963-20-3
(R)-10-camphorsulfonic acid

Conditions

Conditions	Yield
With hydrogenchloride; d-phenylglycine
With brucine

: 76-26-6, 3144-16-9, 5872-08-2, 35963-20-3
camphor-10-sulfonic acid

: 35963-20-3
(R)-10-camphorsulfonic acid

brucine salt of/the/ -β-sulfonic acid: brucine salt of/the/ -β-sulfonic acid

: 35963-20-3
(R)-10-camphorsulfonic acid

Conditions

Conditions	Yield
man zerlegt das in der Mutterlauge vom Brucinsalz der d-Saeure vorgekommene Salz mit Barytwasser;

l-camphor: l-camphor

: 35963-20-3
(R)-10-camphorsulfonic acid

Conditions

Conditions	Yield
With sulfuric acid; acetic anhydride

: 7647-01-0
hydrogenchloride

: 2935-35-5
(S)-2-phenylglycine

: 5872-08-2
10-camphorsufonic acid

A: 3144-16-9
(1S)-10-camphorsulfonic acid

B: 35963-20-3
(R)-10-camphorsulfonic acid

: 82509-30-6
d-camphor β-sulphonate ammonium salt

: 35963-20-3
(R)-10-camphorsulfonic acid

Conditions

Conditions	Yield
In water; 4-methyl-2-pentanone at 80 - 117℃; Inert atmosphere;

: 5872-08-2
10-camphorsufonic acid

A: 3144-16-9
(1S)-10-camphorsulfonic acid

B: 35963-20-3
(R)-10-camphorsulfonic acid

Conditions

Conditions	Yield
With barium(II) perchlorate In methanol Solvent; Reagent/catalyst; Resolution of racemate;

: 35963-20-3
(R)-10-camphorsulfonic acid

: 59543-81-6
4-(1H-imidazol-1-yl)-2-butanone

: 1-(3'-oxobutyl)imidazolium (+)-camphor-10-sulfonate

Conditions

Conditions	Yield
In dichloromethane at 0℃; for 2h; Inert atmosphere;	100%

L(-)-Camphorsulfonic acid Chemical Properties

Synonyms: (1r)-[7,7-dimethyl-2-oxobicyclo[2.2.1]hept-1-yl]methanesulphonic acid;(1R)-(-)-10-CAMPHORSULFONIC ACID; (1R)-(-)-CAMPHOR-10-SULPHONIC ACID;(1R)-(-)-CAMPHOR-10-SULFONIC ACID;(1R)-CAMPHOR-10-SULFONIC ACID;(1R)-(-)-CAMPHORSULFONIC ACID;
(-)-10-CAMPHORSULFONIC ACID;(-)-CAMPHOR-10-SULPHONIC ACID ;(-)-10-CAMPHORSULFONIC ACID;(-)-CAMPHOR-10-SULPHONIC ACID ;
Molecular formula: C₁₀H₁₆O₄S
Molecular Weight: 232.3
Molecular Structure :

EINECS: 252-817-9
Melting point: 198 °C (dec.)(lit.)
alpha: -22^o (c=20,H₂O)
refractive index : -21.5 ^° (C=5, H₂O)
storage temp.:2-8^°C
Water Solubility:soluble
Sensitive:Hygroscopic

L(-)-Camphorsulfonic acid Safety Profile

Hazard Codes:

C
The Risk Statements information of L(-)-Camphorsulfonic acid:
34: Causes burns
The Safety Statements information of L(-)-Camphorsulfonic acid:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
27: Take off immediately all contaminated clothing
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
24/25: Avoid contact with skin and eyes
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
RIDADR:UN 3261 8/PG 2
WGK Germany:3
F:3-10
HazardClass:8

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