Proline

Modify Date: 2025-08-20 12:49:21

Proline Structure
Proline structure
 Common Name Proline
CAS Number 147-85-3 Molecular Weight 115.131
Density 1.2±0.1 g/cm3 Boiling Point 252.2±33.0 °C at 760 mmHg
Molecular Formula C5H9NO2 Melting Point 228 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 106.3±25.4 °C

 Use of Proline


L-Proline is one of the twenty amino acids used in living organisms as the building blocks of proteins.

 Names

Name L-proline
Synonym More Synonyms

 Proline Biological Activity

Description L-Proline is one of the twenty amino acids used in living organisms as the building blocks of proteins.
Related Catalog
Target

Human Endogenous Metabolite

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 252.2±33.0 °C at 760 mmHg
Melting Point 228 °C (dec.)(lit.)
Molecular Formula C5H9NO2
Molecular Weight 115.131
Flash Point 106.3±25.4 °C
Exact Mass 115.063332
PSA 49.33000
LogP -0.57
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.487
Water Solubility soluble

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TW3584000
CHEMICAL NAME :
Proline, L-
CAS REGISTRY NUMBER :
147-85-3
LAST UPDATED :
199701
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C5-H9-N-O2
MOLECULAR WEIGHT :
115.15

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Human Lymphocyte
DOSE/DURATION :
10 mg/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 372,75,1996 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81957 No. of Facilities: 53 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 750 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81957 No. of Facilities: 762 (estimated) No. of Industries: 4 No. of Occupations: 14 No. of Employees: 18391 (estimated) No. of Female Employees: 13943 (estimated)

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi:Irritant
Risk Phrases R36/37/38
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS TW3584000
HS Code 2933990090

 Synthetic Route

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles386

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 Synonyms

(-)-Proline
BYL719
Proline
Proline, L-
(-)-(S)-proline
(2S)-proline
pyrrolidine-2-carbonic acid
(2S)-2-Pyrrolidinecarboxylic acid
(S)-2-Carboxypyrrolidine
(-)-2-Pyrrolidinecarboxylic acid
2-Pyrrolidinecarboxylic acid
(−)-proline
(S)-proline
EINECS 210-189-3
2-Pyrrolidinecarboxylicacid
L(-)-Proline
(2S)-pyrrolidine-2-carboxylic acid
MFCD00064318
(−)-2-pyrrolidinecarboxylic acid
(−)-(S)-proline
(S)-(-)-Pyrrolidine-2-carboxylic acid
L-a-Pyrrolidinecarboxylic Acid
(S)-(-)-Proline
(l)-proline
l-Pro
QCR-1
(S)-Pyrrolidine-2-carboxylic acid,L-Proline
EINECS 205-702-2
L-(-)-proline
L-pyrrolidine-2-carboxylic acid
2-Pyrrolidinecarboxylic acid, (S)-
(S)-Pyrrolidine-2-carboxylic acid
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Chemsrc provides Proline(CAS#:147-85-3) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of Proline are included as well.>> amp version: Proline

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