十二胺（DDA）

Description

n-Dodecylamine · CAS 124-22-1 · C12H27N. UNII YWY9OD6A2K. Boiling Point: 259 °C; Melting Point: 28.3 °C; Melting Point: 28 °C.

Identification

CAS Registry Number	124-22-1
PubChem CID	13583
Molecular formula	C12H27N
IUPAC name	dodecan-1-amine
UNII (FDA)	YWY9OD6A2K

Computed Descriptors

Molecular Weight	185.35
XLogP3	5.3
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	10
Exact Mass	185.214349865
Monoisotopic Mass	185.214349865
Topological Polar Surface Area	26
Heavy Atom Count	13
Formal Charge	0

Physical & Chemical Properties

Boiling Point	259 °C
Melting Point	28.3 °C
Melting Point	28 °C
Flash Point	352 °F (COC)
Density	0.8015 g/cu cm @ 20 °C/4 °C
Density	0.81 g/cm³
Vapor Pressure	0.00805 [mmHg]
Vapor Pressure	8.05X10-3 mm Hg at 25 °C
LogP	4.76

Physical description & handling notes

• Dodecanamine appears as a yellow liquid with an ammonia-like odor. Insoluble in water and less dense than water. Hence floats on water. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion, inhalation or skin absorption. Used to make other chemicals.
• Other Solid; Liquid
• White solid; mp = 28 deg C; [ICSC] Oil with an amine odor; mp = 28.3 deg C; [HSDB] Yellow liquid with an odor of ammonia; [CAMEO] White low-melting solid; mp 28-30 deg C; [MSDSonline]
• WHITE CRYSTALLINE POWDER WITH CHARACTERISTIC ODOUR.
• OIL
• AMINE ODOR

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (Lauramine) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Antistatic CIR / INCI: Personal care product
GHS notification summary	3.7% (32 / 855)

GHS Hazard Classification

GHS notification summary	3.7% (32 / 855)
Reported hazard statements	H290 (52.4%), H302 (14.2%), H304 (79.3%), H314 (96.3%), H318 (14.6%), H335 (82%), H373 (82%), H400 (90.2%)

Documented Uses

• Used in cationic surfactants and to make dodecylguanidine acetate (fungicide); [HSDB] Used in dye and pigment production and as a surfactant for non-metallic mineral mining and quarrying; [EPA ChAMPS]
• Metal Extraction and Refining [Category: Industry]
• CHEM INT FOR THE FUNGICIDE, DODECYLGUANIDINE ACETATE; CHEM INT FOR CATIONIC SURFACTANTS
• REACTION OF DODECANOIC ACID WITH AMMONIA TO FORM LAURONITRILE, FOLLOWED BY CATALYTIC HYDROGENATION TO FORM DODECYLAMINE
• Lauric acid, broad cut/lauric acid, narrow cut + ammonia (nitrile formation/hydrogenation).
• PRIMARILY AS A CHEMICAL INTERMEDIATE FOR THE FUNGICIDE, DODECYLGUANIDINE ACETATE (1976)

Synonyms

DODECYLAMINE; 124-22-1; 1-Dodecanamine; Laurylamine; 1-Aminododecane; n-Dodecylamine; Lauramine; Nissan amine BB; Alamine 4; Monododecylamine; n-Laurylamine; Laurinamine; Armeen 12D; Kemamine P690; Amine BB; Farmin 20D

Frequently Asked Questions

What are the CAS number and molecular formula of n-Dodecylamine?

CAS 124-22-1; molecular formula C12H27N; molecular weight — g/mol.

What other names is n-Dodecylamine known by?

DODECYLAMINE, 124-22-1, 1-Dodecanamine, Laurylamine, 1-Aminododecane, n-Dodecylamine.

What is the regulatory status of n-Dodecylamine?

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Lauramine) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Antistatic; CIR / INCI: Personal care product.

Is n-Dodecylamine classified as hazardous?

3.7% of GHS notifications report no hazard classification (32 of 855).

What are the key physical properties of n-Dodecylamine?

Boiling Point: 259 °C; Melting Point: 28.3 °C; Melting Point: 28 °C; Flash Point: 352 °F (COC).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.