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2-Methylbutane

Item number678309
CAS78-78-4
FormulaC5H12
Molecular weight72,15 g/mol
Quantity 1X1ML
storage conditions4 °C
CoA / MSDSRetrieve CoA
Retrieve MSDS
2-Methylbutane

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2-Methylbutane

2-Methylbutane

678309
78-78-4

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Safety Data Sheetaccording to Regulation (EC) No 1907/2006 (REACH)
Classifications according to Regulation (EC) No 1272/2008.
Printdate 09.05.2025
IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING
Product name:2-Methylbutane
Catalog No.:678309
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 [EU-GHS/CLP]
Flammable liquids (Category 1)
Aspiration hazard (Category 1)
Specific target organ toxicity - single exposure (Category 3)
Chronic aquatic toxicity (Category 2)
Classification according to EU Directives 67/548/EEC or 1999/45/EC
Extremely flammable. Harmful: may cause lung damage if swallowed. Repeated exposure may cause skin
dryness or cracking. Vapours may cause drowsiness and dizziness. Toxic to aquatic organisms, may
cause long-term adverse effects in the aquatic environment.
Label elements
Pictogramflamme
flamme
GHS07 exclam
exclam
GHS08 silhouete
silhouete
GHS09 Aquatic-pollut-red
Aquatic-pollut-red
2.2 Label elements
Labelling according Regulation (EC) No 1272/2008 [CLP]
Pictogram Signal word Danger
Hazard statement(s)
H224 Extremely flammable liquid and vapour.
H304 May be fatal if swallowed and enters airways.
H336 May cause drowsiness or dizziness.
H411 Toxic to aquatic life with long lasting effects.
Precautionary statement(s)
P210 Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
P261 Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray P273 Avoid release to the environment.
P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/
physician.
P331 Do NOT induce vomiting.
Supplemental Hazard information (EU)
EUH066 Repeated exposure may cause skin dryness or cracking.
According to European Directive 67/548/EEC as amended.
Hazard symbol(s) R-phrase(s)
R12 Extremely flammable.
R51/53 Toxic to aquatic organisms, may cause long-term adverse effects in the
aquatic environment.
R65 Harmful: may cause lung damage if swallowed.
R66 Repeated exposure may cause skin dryness or cracking.
R67 Vapours may cause drowsiness and dizziness.
S-phrase(s)
S 9 Keep container in a well-ventilated place.
S16 Keep away from sources of ignition - No smoking.
S29 Do not empty into drains.
S33 Take precautionary measures against static discharges.
S61 Avoid release to the environment. Refer to special instructions/ Safety
data sheets.
S62 If swallowed, do not induce vomiting: seek medical advice immediately
and show this container or label.
2.3 Other hazards - none
COMPOSITION/INFORMATION ON INGREDIENTS3.1 Substances
Synonyms : Isopentane
Formula : C5H12
Molecular Weight : 72,15 g/mol
Component Concentration
Isopentane
CAS-No.
EC-No.
Index-No.
78-78-4
201-142-8
601-006-00-1
-
FormulaC5H12
Molecular Weight (g/mol)72.15
CAS-No.78-78-4
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
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Flush eyes with water as a precaution.
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
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.
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 fire fighting if necessary.
5.4 Further information
Use water spray to cool unopened containers
ACCIDENTAL RELEASE MEASURES6.1 Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid breathing vapors, mist or gas. Ensure adequate ventilation.
Remove all sources of ignition. Evacuate personnel to safe areas. Beware of vapours accumulating to
form explosive concentrations. Vapours can accumulate in low areas.
6.2 Environmental precautions
Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the
environment must be avoided.
6.3 Methods and materials for containment and cleaning up
Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet-brushing and
place in container for disposal according to local regulations (see section 13).
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 inhalation of vapour or mist.
Keep away from sources of ignition - No smoking.Take measures to prevent the build up of electrostatic
charge.
7.2 Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Containers which are
opened must be carefully resealed and kept upright to prevent leakage.
Recommended storage temperature: 2 - 8 °C
7.3 Specific end uses
no data available
EXPOSURE CONTROLS/PERSONAL PROTECTION8.1 Control parameters
Components with workplace control parameters
8.2 Exposure controls
Appropriate engineering controls
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
at the end of workday. Personal protective equipment
Eye/face protection
Face shield and safety glasses Use equipment for eye protection tested and approved under
appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands. Body Protection
Complete suit protecting against chemicals, Flame retardant antistatic protective clothing, The type
of protective equipment must be selected according to the concentration and amount of the
dangerous substance at the specific workplace.
Respiratory protection
Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator
with multi-purpose combination (US) or type AXBEK (EN 14387) respirator cartridges as a backup
to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air
respirator. Use respirators and components tested and approved under appropriate government
standards such as NIOSH (US) or CEN (EU).
PHYSICAL AND CHEMICAL PROPERTIES9.1 Information on basic physical and chemical properties
a) Appearance Form: liquid, clear
Colour: colourless
b) Odour no data available
c) Odour Threshold no data available
d) pH no data available
e) Melting point/freezing
point
no data available
f) Initial boiling point and
boiling range
30 °C - lit.
g) Flash point -51 °C - closed cup
h) Evaporation rate no data available
i) Flammability (solid, gas) no data available j) Upper/lower
flammability or
explosive limits
Upper explosion limit: 8,3 %(V)
Lower explosion limit: 1,4 %(V)
k) Vapour pressure 769,92 hPa at 20 °C
2.355,26 hPa at 55 °C
l) Vapour density 2,49 - (Air = 1.0)
m) Relative density 0,62 g/cm3 at 25 °C
n) Water solubility no data available
o) Partition coefficient: noctanol/
water
no data available
p) Autoignition
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
no data available
10.3 Possibility of hazardous reactions
no data available
10.4 Conditions to avoid
Heat, flames and sparks. Extremes of temperature and direct sunlight.
10.5 Incompatible materials
Oxidizing agents
10.6 Hazardous decomposition products
Other decomposition products - no data available
TOXICOLOGICAL INFORMATION11.1 Information on toxicological effects
Acute toxicity
no data available
Inhalation: Irritating to respiratory system.
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitization
no data available
Germ cell mutagenicity
no data available
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
no data available
Specific target organ toxicity - single exposure
May cause drowsiness or dizziness.
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
May be fatal if swallowed and enters airways.
Potential health effects
Inhalation May be harmful if inhaled. May cause respiratory tract irritation. Vapours
may cause drowsiness and dizziness.
Ingestion May be harmful if swallowed. Aspiration hazard if swallowed - can enter
lungs and cause damage.
Skin May be harmful if absorbed through skin. May cause skin irritation.
Eyes May cause eye irritation.
Signs and Symptoms of Exposure
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.
Additional Information
RTECS: EK4430000
ECOLOGICAL INFORMATION12.1 Toxicity
Toxicity to fish LC50 - Pimephales promelas (fathead minnow) - 12,8 mg/l - 96 h
Remarks: The preceding data, or interpretation of data, was determined using
Quantitative Structure Activity Relationship (QSAR) modeling.
Toxicity to daphnia and
other aquatic
invertebrates
EC50 - Daphnia magna (Water flea) - 2,3 mg/l - 48 h
12.2 Persistence and degradability
Biodegradability Result: 71,43 % - Readily biodegradable.
12.3 Bioaccumulative potential
Does not significantly accumulate in organisms.
12.4 Mobility in soil
no data available
12.5 Results of PBT and vPvB assessment
no data available
12.6 Other adverse effects
Toxic to aquatic life
DISPOSAL CONSIDERATIONS13.1 Waste treatment methods
Product
Burn in a chemical incinerator equipped with an afterburner and scrubber but exert extra care in igniting
as this material is highly flammable. Offer surplus and non-recyclable solutions to a licensed disposal
company. Contaminated packaging
Dispose of as unused product.
TRANSPORT INFORMATION14.1 UN number
ADR/RID: 1265 IMDG: 1265 IATA: 1265
14.2 UN proper shipping name
ADR/RID: PENTANES
IMDG: PENTANES
IATA: Pentanes
14.3 Transport hazard class(es)
ADR/RID: 3 IMDG: 3 IATA: 3
14.4 Packaging group
ADR/RID: I IMDG: I IATA: I
14.5 Environmental hazards
ADR/RID: yes IMDG Marine pollutant: yes IATA: no
14.6 Special precautions for user
no data available
REGULATORY INFORMATIONThis safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture
no data available
15.2 Chemical Safety Assessment
no data available
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!