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Lauryl betaine
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Name

Lauryl betaine

 EINECS 211-669-5
CAS No. 683-10-3 Density 1.04 g/mL at 20 °C
PSA 40.13000 LogP 2.73360
Solubility 464g/L at 25℃ Melting Point N/A
Formula C16H33NO2 Boiling Point 414.52°C (rough estimate)
Molecular Weight 271.444 Flash Point N/A
Transport Information N/A Appearance Light yellow clear liquid
Safety 26-36 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 683-10-3 (Lauryl betaine) Hazard Symbols IrritantXi
Synonyms

AM 301;Adeka Amphote AB 35L;Ambiteric D 40;Amogen S;Amphitol 20BS;Anfoterico LB;Anon BL;Anon BL-SF;BS 12 (betaine surfactant);Betainelauryldimethylaminoacetate;Culveram CDG;DDN;Desimex i;Dimethyldodecylbetaine;Dimethyllaurylbetaine;Dodecyldimethylbetaine;Genagen LAB;Lauryl-N-methylsarcosine;Laurylbetaine;Lauryldimethylaminoacetate betaine;Lonzaine 12S;Makam LB 35;N,N-Dimethyl-N-laurylglycine inner salt;N-(Carboxymethyl)-N-lauryldimethylammonium hydroxide inner salt;N-Lauryl-N,N-dimethyl-a-betaine;Nikkol AM 301;Nissan Anon BL-SF;Obazoline LB-SF;Product DDN;Rewoteric AM-DML 35;Swanol AM 301;Varion CDG-K;

Article Data 21

Lauryl betaine Synthetic route

112-53-8

1-dodecyl alcohol

7148-06-3

N,N-dimethylglycine methyl ester

683-10-3

carboxymethyl-dodecyl-dimethyl-ammonium betaine

Conditions
ConditionsYield
With Novovzym 435 In n-heptane at 65℃; for 5h; Dean-Stark; Green chemistry;99%
112-18-5

N,N-dimethylaminododecane

7748-25-6

potassium chloroacetate

683-10-3

carboxymethyl-dodecyl-dimethyl-ammonium betaine

Conditions
ConditionsYield
In acetonitrile at 80℃; for 2h;96%

dodecyl(2-ethoxy-2-oxoethyl)dimethylazanium p-toluenesulfonate

683-10-3

carboxymethyl-dodecyl-dimethyl-ammonium betaine

Conditions
ConditionsYield
With toluene-4-sulfonic acid In water at 45 - 55℃; for 24h; Time;90.5%
112-18-5

N,N-dimethylaminododecane

3926-62-3

sodium monochloroacetic acid

683-10-3

carboxymethyl-dodecyl-dimethyl-ammonium betaine

Conditions
ConditionsYield
In water at 90 - 95℃; for 1h;35%
With water
With ethanol at 100℃;
112-18-5

N,N-dimethylaminododecane

105-39-5

chloroacetic acid ethyl ester

683-10-3

carboxymethyl-dodecyl-dimethyl-ammonium betaine

Conditions
ConditionsYield
Erwaermen des Reaktionsprodukts mit aethanol.KOH;
17283-72-6

methyl N-dodecyl-N,N-dimethylglycinate chloride

A

67-56-1

methanol

B

683-10-3

carboxymethyl-dodecyl-dimethyl-ammonium betaine

Conditions
ConditionsYield
With sodium hydroxide; lithium chloride In water at 25℃; Rate constant; other salts, MTACl or CTACl wer used;
77814-51-8

methyl N-dodecyl-N,N-dimethylglycinate

683-10-3

carboxymethyl-dodecyl-dimethyl-ammonium betaine

Conditions
ConditionsYield
With sodium hydroxide; cetyltrimethylammonium hydroxide at 25℃; Rate constant; other cationic micelles or without NaOH;

Dodecyl-dimethyl-[(4-nitro-phenylcarbamoyl)-methyl]-ammonium; bromide

A

683-10-3

carboxymethyl-dodecyl-dimethyl-ammonium betaine

B

100-01-6

4-nitro-aniline

Conditions
ConditionsYield
With water; palmitate ion at 30℃; Rate constant; other catalysts;

Dodecyl-dimethyl-{[methyl-(4-nitro-phenyl)-carbamoyl]-methyl}-ammonium; bromide

A

683-10-3

carboxymethyl-dodecyl-dimethyl-ammonium betaine

B

100-15-2

N-methyl(p-nitroaniline)

Conditions
ConditionsYield
With water; palmitate ion at 30℃; Rate constant; other catalysts;
112-18-5

N,N-dimethylaminododecane

XCH2COOH

XCH2COOH

683-10-3

carboxymethyl-dodecyl-dimethyl-ammonium betaine

Conditions
ConditionsYield
Stage #1: N,N-dimethylaminododecane; XCH2COOH
Stage #2: With Amberlit 420 In methanol; water for 2h;

Lauryl betaine Chemical Properties

Systematic Name: [Dodecyl(dimethyl)ammonio]acetate
Synonyms of Lauryl betaine (CAS NO.683-10-3): (Carboxymethyl)dodecyldimethylammonium hydroxide inner salt ; (Dodecyldimethylammonio)acetate ; Betaine lauryldimethylaminoacetate ; alpha-(Dodecyldimethylammonio)-omega-acetate
CAS NO: 683-10-3
Molecular formula: C17H35NO2
Molecular Weight: 285.47
Molecular Structure : 
EINECS: 211-669-5
H bond acceptors: 3
H bond donors: 1
Freely Rotating Bonds: 13
Polar Surface Area: 37.3 Å2
SMILES: [O-]C(=O)C[N+](CCCCCCCCCCCC)(C)C
InChI: InChI=1/C16H33NO2/c1-4-5-6-7-8-9-10-11-12-13-14-17(2,3)15-16(18)19/h4-15H2,1-3H3
InChIKey: DVEKCXOJTLDBFE-UHFFFAOYAA
Std. InChI: InChI=1S/C16H33NO2/c1-4-5-6-7-8-9-10-11-12-13-14-17(2,3)15-16(18)19/h4-15H2,1-3H3
Std. InChIKey: DVEKCXOJTLDBFE-UHFFFAOYSA-N
Product Categories of Lauryl betaine (CAS NO.683-10-3): Hair Care;Home Care

Lauryl betaine Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 intraperitoneal 53mg/kg (53mg/kg) SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"		 Fundamental and Applied Toxicology. Vol. 16, Pg. 41, 1991.
rat LD50 oral 71mg/kg (71mg/kg)   Fundamental and Applied Toxicology. Vol. 16, Pg. 41, 1991.
rat LD50 skin 1300mg/kg (1300mg/kg) SENSE ORGANS AND SPECIAL SENSES: OTHER: EYE

SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"

SKIN AND APPENDAGES (SKIN): HAIR: OTHER		 Fundamental and Applied Toxicology. Vol. 16, Pg. 41, 1991

Lauryl betaine Consensus Reports

Reported in EPA TSCA Inventory.

Lauryl betaine Safety Profile

Safety Information of Lauryl betaine (CAS NO.683-10-3):
The Hazard Codes: IrritantXi
The Risk Statements: 36/37/38
36/37/38: Irritating to eyes, respiratory system and skin
The Safety Statements: 26-36
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
WGK Germany:1
A poison by ingestion and intraperitoneal routes. Moderately toxic by skin contact. When heated to decomposition it emits toxic vapors of NOx.

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