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2-Butyne-1,4-diol

Item number688124
CAS110-65-6
FormulaC4H6O2
Molecular weight86,09 g/mol
Quantity 1X1G
storage conditions4 °C
CoA / MSDSRetrieve CoA
Retrieve MSDS
2-Butyne-1,4-diol

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2-Butyne-1,4-diol

2-Butyne-1,4-diol

688124
110-65-6

1X1G

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Safety Data Sheetaccording to Regulation (EC) No 1907/2006 (REACH)
Classifications according to Regulation (EC) No 1272/2008.
Printdate 15.01.2025
IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING
Product name:2-Butyne-1,4-diol
Catalog No.:688124
Relevant identified uses of the substance or mixtureIdentified: Laboratory chemical
uses: R&D
Uses advised against:HPC Standards GmbH
Am Wieseneck 7

04451 Cunnersdorf
Deutschland


Tel. +49 34291 3372-36
Fax. +49 34291 3372-39
contact@hpc-standards.com
Emergency telephone numberHPC Standards Tel. +49 34291 3372-36
This number is only available during office hours.
HAZARDS IDENTIFICATION2.1 Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008
Acute toxicity, Oral (Category 3), H301
Acute toxicity, Inhalation (Category 3), H331
Acute toxicity, Dermal (Category 4), H312
Skin corrosion (Sub-category 1B), H314
Serious eye damage (Category 1), H318
Skin sensitisation (Category 1), H317
Specific target organ toxicity - repeated exposure (Category 2), H373
Label elements
PictogramGHS05 acid
acid
GHS06 skull
skull
GHS08 silhouete
silhouete
2.2 Label elements
Labelling according Regulation (EC) No 1272/2008
Pictogram Signal word Danger
Hazard statement(s)
H301 + H331 Toxic if swallowed or if inhaled.
H312 Harmful in contact with skin.
H314 Causes severe skin burns and eye damage.
H317 May cause an allergic skin reaction.
H373 May cause damage to organs through prolonged or repeated
exposure.
Precautionary statement(s)
P260 Do not breathe dust or mist.
P280 Wear protective gloves/ protective clothing/ eye protection/ face
protection.
P301 + P310 + P330 IF SWALLOWED: Immediately call a POISON CENTER/doctor.
Rinse mouth.
P301 + P330 + P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated
clothing. Rinse skin with water.
P305 + P351 + P338 +
P310
IF IN EYES: Rinse cautiously with water for several minutes.
Remove contact lenses, if present and easy to do. Continue
rinsing. Immediately call a POISON CENTER/doctor.
Supplemental Hazard
Statements
none
2.3 Other hazards
This substance/mixture contains no components considered to be either persistent,
bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at
levels of 0.1% or higher.
COMPOSITION/INFORMATION ON INGREDIENTS3.1 Substances
Molecular weight : 86,09 g/mol
CAS-No. : 110-65-6
EC-No. : 203-788-6
Index-No. : 603-076-00-9
Component Classification Concentration
2-Butyne-1,4-diol
Acute Tox. 3; Skin Corr.
1B; Eye Dam. 1; Skin
Sens. 1; STOT RE 2;
H301, H331, H311, H314,
H318, H317, H373
Concentration limits:
>= 50 %: Skin Corr. 1B,
H314; 25 - < 50 %: Skin
<= 100 % Irrit. 2, H315; 25 - < 50
%: Eye Irrit. 2, H319;
FormulaC4H6O2
Molecular Weight (g/mol)86.09
CAS-No.110-65-6
FIRST AID MEASURES4.1 Description of first aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration.
Consult a physician.
In case of skin contact
Take off contaminated clothing and shoes immediately. Wash off with soap and plenty of
water. Take victim immediately to hospital. Consult a physician.
In case of eye contact
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
If swallowed
Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse
mouth with water. Consult a physician.
4.2 Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section
2.2) and/or in section 11
4.3 Indication of any immediate medical attention and special treatment needed
No data available
FIRE-FIGHTING MEASURES5.1 Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
5.2 Special hazards arising from the substance or mixture
Carbon oxides
5.3 Advice for firefighters
Wear self-contained breathing apparatus for firefighting if necessary.
5.4 Further information
No data available
ACCIDENTAL RELEASE MEASURES6.1 Personal precautions, protective equipment and emergency procedures
Wear respiratory protection. Avoid dust formation. Avoid breathing vapours, mist or gas.
Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust.
For personal protection see section 8. 6.2 Environmental precautions
Prevent further leakage or spillage if safe to do so. Do not let product enter drains.
6.3 Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in
suitable, closed containers for disposal.
6.4 Reference to other sections
For disposal see section 13
HANDLING AND STORAGE7.1 Precautions for safe handling
Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.
For precautions see section 2.2.
7.2 Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Air and moisture sensitive. Handle and store under inert gas.
7.3 Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated
EXPOSURE CONTROLS/PERSONAL PROTECTION
PHYSICAL AND CHEMICAL PROPERTIES9.1 Information on basic physical and chemical properties
a) Appearance Form: crystalline
Colour: beige
b) Odour No data available
c) Odour Threshold No data available
d) pH No data available
e) Melting
point/freezing point
Melting point/range: 53 - 58 °C - lit.
f) Initial boiling point
and boiling range
238 °C - lit.
g) Flash point 152 °C - closed cup
h) Evaporation rate No data available
i) Flammability (solid,
gas)
No data available
j) Upper/lower
flammability or
explosive limits
No data available
k) Vapour pressure < 0,1 hPa at 55 °C l) Vapour density No data available
m) Relative density 1,04 - 1,05 g/cm3 at 20 °C
n) Water solubility 3.740 g/l at 20 °C
o) Partition coefficient:
n-octanol/water
log Pow: -0,73 at 25 °C
p) Auto-ignition
temperature
No data available
q) Decomposition
temperature
No data available
r) Viscosity No data available
s) Explosive properties No data available
t) Oxidizing properties No data available
9.2 Other safety information
No data available
STABILITY AND REACTIVITY10.1 Reactivity
No data available
10.2 Chemical stability
Stable under recommended storage conditions.
10.3 Possibility of hazardous reactions
No data available
10.4 Conditions to avoid
Air Avoid moisture.
10.5 Incompatible materials
Strong oxidizing agents, Strong bases, Strong acids, Mercury/mercury oxides., Halides
10.6 Hazardous decomposition products
Hazardous decomposition products formed under fire conditions. - Carbon oxides
Other decomposition products - No data available
In the event of fire: see section 5
TOXICOLOGICAL INFORMATION11.1 Information on toxicological effects
Acute toxicity
LD50 Oral - Rat - male - 132 mg/kg
(OECD Test Guideline 401)
LC50 Inhalation - Rat - male and female - 4 h - 0,669 mg/l
(OECD Test Guideline 403)
Skin corrosion/irritation
Skin - Rabbit
Result: Causes burns (OECD Test Guideline 404)
Serious eye damage/eye irritation
Eyes - Rabbit
Result: Risk of serious damage to eyes.
(OECD Test Guideline 405)
Respiratory or skin sensitisation
No data available
Germ cell mutagenicity
No data available
Chromosome aberration test in vitro
fibroblast
Result: negative
Mutagenicity (micronucleus test)
Mouse - male and female
Result: negative
Carcinogenicity
IARC: No component of this product present at levels greater than or equal to 0.1% is
identified as probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
Specific target organ toxicity - single exposure
No data available
Specific target organ toxicity - repeated exposure
May cause damage to organs through prolonged or repeated exposure.
Aspiration hazard
No data available
Additional Information
Repeated dose toxicity - Rat - male and female - Oral - No observed adverse effect level - 1
mg/kg - Lowest observed adverse effect level - 10 mg/kg
RTECS: ES0525000
prolonged or repeated exposure can cause:, narcosis, Central nervous system depression,
To the best of our knowledge, the chemical, physical, and toxicological properties have not
been thoroughly investigated.
ECOLOGICAL INFORMATION12.1 Toxicity
Toxicity to algae static test EC50 - Desmodesmus subspicatus (green algae) - 1.048
mg/l - 72 h
(OECD Test Guideline 201)
12.2 Persistence and degradability
Biodegradability Result: - Readily biodegradable.
Remarks: No data available
12.3 Bioaccumulative potential
No data available 12.4 Mobility in soil
No data available
12.5 Results of PBT and vPvB assessment
This substance/mixture contains no components considered to be either persistent,
bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at
levels of 0.1% or higher.
12.6 Other adverse effects
No data available
DISPOSAL CONSIDERATIONS13.1 Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or
mix the material with a combustible solvent and burn in a chemical incinerator equipped
with an afterburner and scrubber.
Contaminated packaging
Dispose of as unused product
TRANSPORT INFORMATION14.1 UN number
ADR/RID: 2716 IMDG: 2716 IATA: 2716
14.2 UN proper shipping name
ADR/RID: 1,4-BUTYNEDIOL
IMDG: 1,4-BUTYNEDIOL
IATA: 1,4-Butynediol
14.3 Transport hazard class(es)
ADR/RID: 6.1 IMDG: 6.1 IATA: 6.1
14.4 Packaging group
ADR/RID: III IMDG: III IATA: III
14.5 Environmental hazards
ADR/RID: no IMDG Marine pollutant: no IATA: no
14.6 Special precautions for user
No data available
REGULATORY INFORMATION15.1 Safety, health and environmental regulations/legislation specific for the
substance or mixture
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
15.2 Chemical safety assessment
For this product a chemical safety assessment was not carried out
OTHER INFORMATIONThe above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any
guarantee of the properties of the product. For lab use only!