nylon 11

Description

nylon 11 · CAS 25035-04-5 · C11H23NO2. UNII SFU34976HB. Melting Point: 374 to 378 °F (NTP, 1992).

Identification

CAS Registry Number	25035-04-5
PubChem CID	17083
Molecular formula	C11H23NO2
IUPAC name	11-aminoundecanoic acid
UNII (FDA)	SFU34976HB

Computed Descriptors

Molecular Weight	201.31
XLogP3	-1
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	10
Exact Mass	201.172878976
Monoisotopic Mass	201.172878976
Topological Polar Surface Area	63.3
Heavy Atom Count	14
Formal Charge	0

Physical & Chemical Properties

Melting Point	374 to 378 °F (NTP, 1992)

Physical description & handling notes

• 11-aminoundecanoic acid appears as white crystalline solid or powder. (NTP, 1992)
• Dry Powder
• White solid; [CAMEO] White powder; [MSDSonline]
• less than 0.1 mg/mL at 70 °F (NTP, 1992)

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Viscosity controlling; Bulking
GHS notification summary	100% (191 / 191)

GHS Hazard Classification

GHS notification summary	100% (191 / 191)
Reported hazard statements	H402

Documented Uses

• Used as an initiator for type 11 Nylons; [HSDB]
• Cosmetics -> Viscosity controlling; Bulking
• Four step processes: Step 1, castor oil reacts with methyl alcohol to form methyl ricinoleate; Step 2, pyrolysis of this ester at 450-500 °C to form 10-undecylenate; Step 3, hydrolysis to form 10-undecylenic acid; Step 4, bromination by hydrogen bromide in the presence of peroxides to form 11-bromoundecanoic acid which is then converted to 11-aminoundecanoic acid
• 2023: 5,000,000 - <10,000,000 lb
• 2022: 10,000,000 - <50,000,000 lb
• 2021: 5,000,000 - <10,000,000 lb

Synonyms

11-AMINOUNDECANOIC ACID; 2432-99-7; Undecanoic acid, 11-amino-; 11-Aminoundecylic acid; NCI-C50613; SFU34976HB; NSC-240503; NSC-662428; DTXSID5020077; RefChem:907971; DTXCID1077; 219-417-6; 11-amino-undecanoic acid; 25035-04-5; MFCD00008150; 11-Aminoundecanoicacid

Frequently Asked Questions

What are the CAS number and molecular formula of nylon 11?

CAS 25035-04-5; molecular formula C11H23NO2; molecular weight — g/mol.

What other names is nylon 11 known by?

11-AMINOUNDECANOIC ACID, 2432-99-7, Undecanoic acid, 11-amino-, 11-Aminoundecylic acid, NCI-C50613, SFU34976HB.

What is the regulatory status of nylon 11?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; CIR / INCI: Viscosity controlling; Bulking.

Is nylon 11 classified as hazardous?

100% of GHS notifications report no hazard classification (191 of 191).

What are the key physical properties of nylon 11?

Melting Point: 374 to 378 °F (NTP, 1992).

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.