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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 69821Generated: October 26, 2026

1-Dodecyne

dodec-1-yne · 1-C12H22 · 1-DODECYNE · odec-1-yne · 1-Dodecyne >1-Dodecyne,98% · Dodecane-1-yne · 1-DODECYNE 99% · 1-Dodecyne,97%

https://huagongshe.com/en/chemical/69821

1-Dodecyne molecular structure

Identifiers & Physical Properties

CAS No.765-03-7
Molecular formulaC12H22
Average molar mass166.3 g/mol
Monoisotopic mass166.1721507 g/mol
SMILESC#CCCCCCCCCCC
InChIKeyZVDBUOGYYYNMQI-UHFFFAOYSA-N
PubChem CID69821
EC No.212-134-9
DTXSIDDTXSID4061094

Chemical & Physical Properties

XLogP5.7
Topological polar surface area0
Hydrogen bond donors0
Hydrogen bond acceptors0
Rotatable bonds8
Heavy atoms12
Formal charge0
Complexity115
SpringerMaterials PropertiesBoiling point
Melting point-19 °C (lit.)
Boiling point215 °C (lit.)
Density0.778 g/mL at 25 °C (lit.)
Refractive indexn20/D 1.434(lit.)
Flash point175 °F
Physical stateLiquid
ColorClear colorless to light yellow
SolubilityNot miscible in water.
BRN1741320
Henry's law constant5.8×10-5 mol/(m3Pa) at 25℃, Yaws (2003)
InChI1S/C12H22/c1-3-5-7-9-11-12-10-8-6-4-2/h1H,4-12H2,2H3
InChIKeyZVDBUOGYYYNMQI-UHFFFAOYSA-N
SMILESCCCCCCCCCCC#C
CAS DataBase Reference765-03-7(CAS DataBase Reference)
EPA Substance Registry System1-Dodecyne (765-03-7)
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS05
Signal wordDanger
GHS hazard statementsH318-H413
GHS precautionary statementsP273-P280-P305+P351+P338-P501
Personal protective equipment (PPE)Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Hazard symbolsXi
Risk statements (R)41
Safety statements (S)26-39
Water hazard class (WGK)3
TSCA inventory statusTSCA listed
Customs code29012900
Storage class10 - Combustible liquids
Hazard classAquatic Chronic 4Eye Dam. 1

Safety & Regulations

GHS classificationDangerH318 (97.5%): Causes serious eye damage [Danger Serious eye damage/eye irritation]P264+P265, P273, P280, P305+P354+P338, P317, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 40 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesEye Dam. 1 (97.5%)
Personal protective equipment (PPE)Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Water hazard class (WGK)3
TSCA inventory statusTSCA listed
Customs code29012900
Risk statements (R)41
Signal wordDanger
GHS pictogramGHS05
Hazard symbolsXi
Safety statements (S)26-39
Storage class10 - Combustible liquids
GHS hazard statementsH318-H413
Hazard classAquatic Chronic 4Eye Dam. 1
GHS precautionary statementsP273-P280-P305+P351+P338-P501

Applications & Uses

Uses

1-Dodecyne was used in the synthesis of stable ruthenium nanoparticles.