3,5-Octadiyne

Modify Date: 2024-01-04 11:32:06

3,5-Octadiyne Structure
3,5-Octadiyne structure
Common Name 3,5-Octadiyne
CAS Number 16387-70-5 Molecular Weight 106.16500
Density 0.834g/cm3 Boiling Point 163.5ºC at 760mmHg
Molecular Formula C8H10 Melting Point N/A
MSDS N/A Flash Point 43.2ºC

 Names

Name octa-3,5-diyne
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.834g/cm3
Boiling Point 163.5ºC at 760mmHg
Molecular Formula C8H10
Molecular Weight 106.16500
Flash Point 43.2ºC
Exact Mass 106.07800
LogP 1.81320
Vapour Pressure 2.69mmHg at 25°C
Index of Refraction 1.464

 MSDS


Section I.Chemical Product and Company Identification
Chemical Name 3,5-Octadiyne
Portland OR
SynonymNot available.
Chemical FormulaC8H10
CAS Number16387-70-5

Section II.Composition and Information on Ingredients
Chemical NameCAS Number Percent (%)TLV/PELToxicology Data
3,5-Octadiyne16387-70-5Min. Not available.Not available.
98.0%(GC)

Section III. Hazards Identification
Acute Health EffectsNo specific information is available in our data base regarding the toxic effects of this material for humans. However,
exposure to any chemical should be kept to a minimum. Skin and eye contact may result in irritation. May be harmful if
inhaled or ingested. Always follow safe industrial hygiene practices and wear proper protective equipment when handling
this compound.
CARCINOGENIC EFFECTS : Not available.
Chronic Health Effects
MUTAGENIC EFFECTS : Not available.
TERATOGENIC EFFECTS : Not available.
DEVELOPMENTAL TOXICITY: Not available.
Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions.

Section IV.First Aid Measures
Eye ContactCheck for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15
minutes. Get medical attention.
Skin Contact
In case of contact, immediately flush skin with plenty of water. Remove contaminated clothing and shoes. Wash clothing
before reuse. Thoroughly clean shoes before reuse. Get medical attention.
If the victim is not breathing, perform mouth-to-mouth resuscitation. Loosen tight clothing such as a collar, tie, belt or
Inhalation
waistband. If breathing is difficult, oxygen can be administered. Seek medical attention if respiration problems do not
improve.
IngestionINDUCE VOMITING by sticking finger in throat. Lower the head so that the vomit will not reenter the mouth and throat.
Loosen tight clothing such as a collar, tie, belt or waistband. If the victim is not breathing, perform mouth-to-mouth
resuscitation. Examine the lips and mouth to ascertain whether the tissues are damaged, a possible indication that the
toxic material was ingested; the absence of such signs, however, is not conclusive.

Section V. Fire and Explosion Data
Auto-IgnitionNot available.
FlammabilityFlammable.
Flash PointsFlammable LimitsNot available.
Not available.
Combustion ProductsThese products are toxic carbon oxides (CO, CO 2).
Fire Hazards
Not available.
Risks of explosion of the product in presence of mechanical impact: Not available.
Explosion Hazards
Risks of explosion of the product in presence of static discharge: Not available.
Fire Fighting Media
Flammable liquid.
and InstructionsSMALL FIRE: Use DRY chemical powder.
LARGE FIRE: Use alcohol foam, water spray or fog. Cool containing vessels with water jet in order to prevent pressure
build-up, autoignition or explosion. Consult with local fire authorities before attempting large scale fire-fighting operations.
Continued on Next Page
3,5-Octadiyne

Section VI.Accidental Release Measures
Spill CleanupFlammable liquid.
InstructionsKeep away from heat. Mechanical exhaust required. Stop leak if without risk. Absorb with DRY earth, sand or other
non-combustible material. DO NOT touch spilled material. Prevent entry into sewers, basements or confined areas; dike
if needed. Consult federal, state, and/or local authorities for assistance on disposal.

Section VII. Handling and Storage
Handling and StorageFLAMMABLE. Keep away from heat. Mechanical exhaust required. Avoid excessive heat and light. Do not breathe
gas/fumes/ vapor/spray.
Information
Always store away from incompatible compounds such as oxidizing agents.

Section VIII. Exposure Controls/Personal Protection
Engineering ControlsProvide exhaust ventilation or other engineering controls to keep the airborne concentrations of vapors below their
respective threshold limit value. Ensure that eyewash station and safety shower is proximal to the work-station location.
Personal ProtectionSplash goggles. Lab coat. Vapor respirator. Boots. Gloves. Suggested protective clothing might not be sufficient;
consult a specialist BEFORE handling this product. Be sure to use a MSHA/NIOSH approved respirator or equivalent.
Exposure LimitsNot available.

Section IX. Physical and Chemical Properties
Solubility
Physical state @ 20°CLiquid. (Clear, Colorless.)Not available.
0.81(water=1)
Specific Gravity
Molecular Weight106.16Partition CoefficientNot available.
Boiling Point164°C (327.2°F)Vapor PressureNot available.
Melting PointNot available.Vapor DensityNot available.
Not available.VolatilityNot available.
Refractive Index
Critical TemperatureNot available.OdorNot available.
ViscosityNot available.TasteNot available.

Section X.Stability and Reactivity Data
Stability
This material is stable if stored under proper conditions. (See Section VII for instructions)
Conditions of InstabilityAvoid excessive heat and light.
Incompatibilities
Reactive with oxidizing agents.

Section XI. Toxicological Information
RTECS NumberNot available.
Eye Contact. Ingestion. Inhalation.
Routes of Exposure
Toxicity DataNot available.
Chronic Toxic EffectsCARCINOGENIC EFFECTS : Not available.
MUTAGENIC EFFECTS : Not available.
TERATOGENIC EFFECTS : Not available.
DEVELOPMENTAL TOXICITY: Not available.
Repeated or prolonged exposure to this compound is not known to aggravate existing medical conditions.
Acute Toxic EffectsNo specific information is available in our data base regarding the toxic effects of this material for humans. However,
exposure to any chemical should be kept to a minimum. Skin and eye contact may result in irritation. May be harmful if
inhaled or ingested. Always follow safe industrial hygiene practices and wear proper protective equipment when handling
this compound.
Continued on Next Page
3,5-Octadiyne

Section XII.Ecological Information
EcotoxicityNot available.
Environmental FateNot available.

Section XIII. Disposal Considerations
Recycle to process, if possible. Consult your local regional authorities. You may be able to dissolve or mix material with a
Waste Disposal
combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber system. Observe all
federal, state and local regulations when disposing of the substance.

Section XIV. Transport Information
DOT ClassificationDOT Class 3: Flammable liquid
PIN Number
Proper Shipping Name
Hydrocarbons, liquid, n.o.s.
Packing Group (PG)III
DOT Pictograms

Section XV. Other Regulatory Information and Pictograms
TSCA Chemical InventoryThis product is NOT on the EPA Toxic Substances Control Act (TSCA) inventory. The following notices are required by 40
CFR 720.36 (C) for those products not on the inventory list:
(EPA)
(i) These products are supplied solely for use in research and development by or under the supervision of a technically
qualified individual as defined in 40 CFR 720.0 et sec.
(ii) The health risks of these products have not been fully determined. Any information that is or becomes available will be
supplied on an MSDS sheet.
WHMIS ClassificationNot available.
(Canada)
EINECS Number (EEC) Not available.
EEC Risk StatementsR10- Flammable.
R18- In use, may form flammable/explosive vapor-air mixture.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

HS Code 2901299090

 Synthetic Route

~0%

3,5-Octadiyne Structure

3,5-Octadiyne

CAS#:16387-70-5

Detail
Literature: Perrone, Serena; Bona, Fabio; Troisi, Luigino Tetrahedron, 2011 , vol. 67, # 38 p. 7386 - 7391

~90%

3,5-Octadiyne Structure

3,5-Octadiyne

CAS#:16387-70-5

Literature: Brandsma; Verkruijsse; Walda Synthetic Communications, 1991 , vol. 21, # 1 p. 137 - 139

~0%

3,5-Octadiyne Structure

3,5-Octadiyne

CAS#:16387-70-5

Literature: Champs, F.; Chamorro, E.; Gasol, V.; Guerrero, A. Synthetic Communications, 1989 , vol. 19, # 18 p. 3211 - 3220

~%

3,5-Octadiyne Structure

3,5-Octadiyne

CAS#:16387-70-5

Literature: Herbertz Chemische Berichte, 1952 , vol. 85, p. 475,482 Chemische Berichte, 1959 , vol. 92, p. 541,550

~%

3,5-Octadiyne Structure

3,5-Octadiyne

CAS#:16387-70-5

Literature: Armitage et al. Journal of the Chemical Society, 1951 , p. 44,47 Journal of the Chemical Society, 1952 , p. 1993,1996

 Customs

HS Code 2901299090
Summary 2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Synonyms

Octa-3,5-diin
Diaethyl-diacetylen
3,5-Octadiyne
Diethyldiacetylene