Safety data sheet for Heptane
CAS 142-82-5
This is the free preview of a draft SDS for Heptane — Sections 1, 2 and 9, generated from the sources named below. The full 16-section draft, with your own company in Section 1, is $5 per document.
Typically documented by: Degreasers, laboratory extraction.
Draft safety data sheet — preview
Sections 1, 2, 9 of 16
- CAS number
- 142-82-5
- Molecular formula
- C7H16
- Molecular weight
- 100.20 g/mol
- Signal word
- Danger
Hazard classification
- GHS02 — Flammable
- GHS07 — Health hazard — irritant
- GHS08 — Serious health hazard
- GHS09 — Hazardous to the environment
- H225: Highly flammable liquid and vapor.
- H304: May be fatal if swallowed and enters airways.
- H315: Causes skin irritation.
- H336: May cause drowsiness or dizziness.
- H373: May cause damage to organs through prolonged or repeated exposure.
- H411: Toxic to aquatic life with long lasting effects.
Section 1 — Identification
1.1 Product identifier
Product identifier: Heptane
Chemical name (IUPAC): heptane
CAS number: 142-82-5
PubChem CID reference: 8900
Synonyms: HEPTANE; n-Heptane; Heptan; Heptyl hydride; Dipropyl methane; Dipropylmethane; Gettysolve-C; Skellysolve C; Heptanen; Eptani
Section 2 — Hazards Identification
2.1 Classification of the substance or mixture
Classification basis: OSHA 29 CFR 1910.1200 Appendix A, aligned to the GHS Rev. 7 hazard classes this sheet resolves: Flam. Liq. 2, Asp. Tox. 1, Skin Irrit. 2, STOT SE 3, STOT RE 2.
Classification: Flammable Liquid, Category 2 (Flam. Liq. 2) [H225]
Classification: Aspiration Hazard, Category 1 (Asp. Tox. 1) [H304]
Classification: Skin Irritation, Category 2 (Skin Irrit. 2) [H315]
Classification: Specific Target Organ Toxicity, Single Exposure, Category 3 (STOT SE 3) [H336]
Classification: Specific Target Organ Toxicity, Repeated Exposure, Category 2 (STOT RE 2) [H373]
2.2 Label elements
Signal word: Danger
GHS pictograms: GHS02 (Flammable), GHS07 (Exclamation), GHS08 (Health Hazard), GHS09 (Environmental Hazard)
Hazard statement: H225: Highly flammable liquid and vapor.
Hazard statement: H304: May be fatal if swallowed and enters airways.
Hazard statement: H315: Causes skin irritation.
Hazard statement: H336: May cause drowsiness or dizziness.
Hazard statement: H373: May cause damage to organs through prolonged or repeated exposure.
Hazard statement: H411: Toxic to aquatic life with long lasting effects.
Precautionary statement: P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
Precautionary statement: P280: Wear protective gloves, protective clothing, eye protection, face protection, and hearing protection.
Precautionary statement: P271: Use only outdoors or in a well-ventilated area.
Precautionary statement: P303+P361+P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
Precautionary statement: P301+P316: IF SWALLOWED: Get emergency medical help immediately.
Precautionary statement: P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
Section 9 — Physical and Chemical Properties
9.1 Information on basic physical and chemical properties
Physical form: Liquid
Appearance: Colorless liquid
Odor: Gasoline-like odor
Boiling point: 99°C (210°F) at 1013 hPa
Melting point: -90.5°C (-131°F)
Flash point: -7°C (19°F) closed cup
Density: 0.6795 g/cm³ at 25°C
Vapor pressure: 50 hPa at 21.1°C
Water solubility: Miscible
Log Pow (log Kow): 4.66
Vapor density: 3.45 (air = 1)
Lower explosive limit: 1.05% (v/v in air)
Upper explosive limit: 6.7% (v/v in air)
Auto-ignition temperature: 285°C (545°F)
Not found in the public records searched: viscosity and pH. Enter these from your supplier's safety data sheet or your own test report before the draft is issued.
Occupational exposure limits for Heptane
The airborne limits on public record in the United States. These are transcribed from the tables named in each row, not derived. The full draft puts them in Section 8 with the control and PPE guidance.
OSHA PEL — TWA (8 h)
500 ppm (2000 mg/m³)
OSHA Annotated PEL Table Z-1
NIOSH REL — TWA (up to 10 h)
85 ppm (350 mg/m³)
OSHA Annotated PEL Table Z-1 (NIOSH REL column)
NIOSH REL — STEL (15 min)
440 ppm
OSHA Annotated PEL Table Z-1 (NIOSH REL column)
Where each value came from
- Odor — Hazardous Substances Data Bank (HSDB)
- NIOSH. NIOSH Pocket Guide to Chemical Hazards. Department of Health & Human Services, Centers for Disease Control & Prevention. National Institute for Occupational Safety & Health. DHHS (NIOSH) Publication No. 2010-168 (2010). Available from: https://www.cdc.gov/niosh/npg
- View the record
- Boiling point — PAC Chemical Database, U.S. Department of Energy
- View the record
- Melting point — Hazardous Substances Data Bank (HSDB)
- Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 94th Edition. CRC Press LLC, Boca Raton, FL: 2013-2014, p. 3-290
- View the record
- Density — Hazardous Substances Data Bank (HSDB)
- Same reference as melting point above.
- View the record
- Log Pow (log Kow) — Hazardous Substances Data Bank (HSDB)
- Miller MM et al; Environ Sci Technol 19: 522-9 (1985)
- View the record
- Vapor density — Hazardous Substances Data Bank (HSDB)
- Lewis, R.J. Sr. (ed) Sax's Dangerous Properties of Industrial Materials. 11th Edition. Wiley-Interscience, Wiley & Sons, Inc. Hoboken, NJ. 2004, p. 1905
- View the record
- Lower explosive limit — Hazardous Substances Data Bank (HSDB)
- Same reference as vapor density above.
- View the record
- Auto-ignition temperature — Hazardous Substances Data Bank (HSDB)
- IPCS, CEC; International Chemical Safety Card on n-Heptane. (April 1997)
- View the record
A value with no row here was assembled from more than one record, so no single record is credited for it. The draft you buy carries this table as an appendix covering all 16 sections.
Sources
- ECHA C&L Inventory — harmonised CLP entry
- Hazardous Substances Data Bank (HSDB)
- OSHA Annotated PEL Table Z-1
- OSHA Annotated PEL Table Z-1 (NIOSH REL column)
- PAC Chemical Database, U.S. Department of Energy
- PubChem — GHS classification
- PubChem — compound record
- PubChem — names and identifiers
- PubChem — regulatory information
- PubChem — toxicity data
- PubChem — transport information
Sections 1.3 and 1.4 are withheld here because the supplier and emergency contact blocks carry your own company details in the draft you buy. Every draft needs review by a competent person before it is issued.
Measured values for Heptane, and where each one comes from
29 measured values for 11 properties, read from 4 public databases. On 5 properties the records differ. Each reading is shown with its own record. Follow any record to read the value at its source.
Boiling point
4 records, 98 to 99 °C
Used with vapour pressure to judge how readily the substance reaches the air you breathe.
- 209 °F
- NIOSH Pocket Guide
- 98.52 °C @760 [mm Hg]
- PAC Chemical Database, U.S. Department of Energy
Melting point
4 records, -92 to -91 °C
Fixes the physical state at handling temperature, which the label and the transport class depend on.
- -90.549 °C
- Hazardous Substances Data Bank (HSDB)
- -131 °F
- NIOSH Pocket Guide
Flash point
4 records, -4 to -1 °C
The lowest temperature at which the liquid gives off enough vapour to ignite. It decides the GHS flammable liquid category.
- 25 °F (Closed Cup)
- Hazardous Substances Data Bank (HSDB)
- 30 °F (-1 °C), open cup
- Hazardous Substances Data Bank (HSDB)
- 25 °F
- NIOSH Pocket Guide
Auto-ignition temperature
1 record
The temperature at which the substance ignites with no spark or flame. It sets safe surface and process temperatures.
Explosive limits
1 record
The vapour concentration range in air that will burn. Below the lower limit and above the upper limit it will not.
- Lower explosive limit 1.05%; Upper explosive limit 6.7%
- Hazardous Substances Data Bank (HSDB)
Vapour pressure
4 records differ
The higher it is, the faster the substance evaporates into the workplace air at room temperature.
- 4.60X10+1 mm Hg at 25 °C /Extrapolated/
- Hazardous Substances Data Bank (HSDB)
- (72 °F): 40 mmHg
- NIOSH Pocket Guide
- 40 [mm Hg] @22.3 °C
- PAC Chemical Database, U.S. Department of Energy
Vapour density
1 record
Above 1 the vapour sinks and collects in pits, sumps and low enclosed spaces.
- 3.45 (Air = 1)
- Hazardous Substances Data Bank (HSDB)
Density
5 records differ
Needed to convert between mass and volume on the label, in transport papers and in a spill estimate.
- 0.6795 g/cu cm at 25 °C
- Hazardous Substances Data Bank (HSDB)
- % in saturated air: 6.3 at 25 °C, 760 mm Hg; density of air saturated with vapor: 1.18 at 25 °C, 760 mm Hg
- Hazardous Substances Data Bank (HSDB)
- 0.684 @25 °C
- PAC Chemical Database, U.S. Department of Energy
Solubility
3 records, each a different case
Determines spill behaviour, the right extinguishing media and the correct first-aid rinse.
- In water, 3.40 mg/L at 25 °C
- Hazardous Substances Data Bank (HSDB)
- Soluble in carbon tetrachloride; very soluble in ethanol; miscible with ethyl ether, acetone, benzene, chloroform, and petroleum ether
- Hazardous Substances Data Bank (HSDB)
- 0.0003%
- NIOSH Pocket Guide
Partition coefficient (log Kow)
1 record
Indicates whether the substance accumulates in fat or in water, which drives the environmental sections.
- log Kow = 4.66
- Hazardous Substances Data Bank (HSDB)
Odour
1 record
Odour is a warning property only. Many substances are hazardous well below the concentration you can smell.
- Gasoline-like odor
- Hazardous Substances Data Bank (HSDB)
These are the public records read for Heptane, published here unchanged. Where two records disagree, the draft you buy states the value and names the record behind it, so a reviewer can see what was chosen. Every draft needs review by a competent person before it is issued.
Get the full draft SDS for Heptane
The draft covers all 16 sections under OSHA 29 CFR 1910.1200 and GHS Rev. 7, or the CLP EC 1272/2008 layout for the EU. Each draft arrives as an editable .docx and a PDF with an appendix naming the source of each value, in about 60 seconds. $5 per document, no account.