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Octanedinitrile

CAS No. 629-40-3 | PubChem CID 12385
Section 1. Identification
Chemical NameOctanedinitrile CAS No.629-40-3
Synonymssuberonitrile; 1,6-dicyanohexane Chinese Name辛二腈
Molecular FormulaC8H2N2 Molecular Weight136.1943
UN No.3276 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS06 · Acute Toxic
Hazard Statements H301H311H331
Precautionary Statements P261P262P264P270P271P280P301+P316P302+P352P304+P340P316P321P330P361+P364P403+P233P405P501

Section 2. Hazards Identification

H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]

H311 (19.4%): Toxic in contact with skin [Danger Acute toxicity, dermal]

H331 (19.4%): Toxic if inhaled [Danger Acute toxicity, inhalation]

P261, P262, P264, P270, P271, P280, P301+P316, P302+P352, P304+P340, P316, P321, P330, P361+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 206 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Section 9. Physical and Chemical Properties

Boiling point

Dielectric constant

Heat of sublimation

Optical coefficient

Refractive index

Surface tension

Vapor pressure

Source: PubChem CID 12385 (NIH/NLM, public domain). Retrieved from PubChem, a public-domain chemistry database maintained by the U.S. National Library of Medicine. Last updated: 2026-08-02 10:01:05.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.