癸二酸二丁酯 (DBS)

Description

dibutyl sebacate (DBS) · CAS 109-43-3 · C18H34O4. UNII 4W5IH7FLNY. Boiling Point: 344.5 °C; Boiling Point: 211.00 to 212.00 °C. @ 11.00 mm Hg; Boiling Point: 344-345 °C.

Identification

CAS Registry Number	109-43-3
PubChem CID	7986
Molecular formula	C18H34O4
IUPAC name	dibutyl decanedioate
UNII (FDA)	4W5IH7FLNY
FEMA number	2373
JECFA number	625

Computed Descriptors

Molecular Weight	314.5
XLogP3	5.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	17
Exact Mass	314.24570956
Monoisotopic Mass	314.24570956
Topological Polar Surface Area	52.6
Heavy Atom Count	22
Formal Charge	0

Physical & Chemical Properties

Boiling Point	344.5 °C
Boiling Point	211.00 to 212.00 °C. @ 11.00 mm Hg
Boiling Point	344-345 °C
Boiling Point	345-349 °C; 211-212 °C (11 mm Hg)
Melting Point	-10 °C
Melting Point	12 °C
Flash Point	353 °F (178 °C) (OPEN CUP)
Flash Point	167 °C
Solubility	0.04 mg/mL at 20 °C
Density	0.9405 @ 15 °C

Physical description & handling notes

• CBI; Liquid
• Colorless oily liquid; [ICSC] Odorless; [HSDB]
• Liquid
• COLOURLESS OILY LIQUID.
• colourless to oily liquid; fruity but very mild odour with a very faint fruity oily taste
• Colorless liquid

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS Flavoring Agents FLAVOURING_AGENT: Flavouring Agent
GHS notification summary	82.8% (410 / 495)

GHS Hazard Classification

GHS notification summary	82.8% (410 / 495)
Reported hazard statements	H315 (16.8%), H319 (16.8%), H335 (16.6%)

Documented Uses

• CIR ingredient: Dibutyl Sebacate
• Used as plasticizer, rubber softener, dielectric liquid, flavoring ingredient, and additive to cosmetics and perfumes; [HSDB]
• Plasticizer, rubber softener, dielectric liquid, cosmetic and perfumes, flavoring ingredient
• Plastics -> Typical concentration range in plastic materials -> 10.0 - 35.0%
• EPA Safer Chemical Functional Use Classes -> Emollients;Skin Conditioning Agents;Solvents
• Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern

Synonyms

DIBUTYL SEBACATE; Dibutyl decanedioate; 109-43-3; Butyl sebacate; Decanedioic acid, dibutyl ester; Di-n-butyl sebacate; Kodaflex DBS; Dibutyl sebacinate; Staflex DBS; Monoplex DBS; Bis(n-butyl) sebacate; Sebacic acid, dibutyl ester; 1,10-dibutyl decanedioate; Di-n-butylsebacate; Bis(n-butyl)sebacate; n-Butyl sebacate

Frequently Asked Questions

What are the CAS number and molecular formula of dibutyl sebacate (DBS)?

CAS 109-43-3; molecular formula C18H34O4; molecular weight — g/mol.

What other names is dibutyl sebacate (DBS) known by?

DIBUTYL SEBACATE, Dibutyl decanedioate, 109-43-3, Butyl sebacate, Decanedioic acid, dibutyl ester, Di-n-butyl sebacate.

What is the regulatory status of dibutyl sebacate (DBS)?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is dibutyl sebacate (DBS) classified as hazardous?

82.8% of GHS notifications report no hazard classification (410 of 495).

What are the key physical properties of dibutyl sebacate (DBS)?

Boiling Point: 344.5 °C; Boiling Point: 211.00 to 212.00 °C. @ 11.00 mm Hg; Boiling Point: 344-345 °C; Boiling Point: 345-349 °C; 211-212 °C (11 mm Hg).

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.