Safety data sheet for Stearic acid
CAS 57-11-4
This is the free preview of a draft SDS for Stearic acid — 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: Candles, soap, cosmetic hardener.
Draft safety data sheet — preview
Sections 1, 2, 9 of 16
- CAS number
- 57-11-4
- Molecular formula
- C18H36O2
- Molecular weight
- 284.5 g/mol
- Signal word
- Warning
Hazard classification
- GHS07 — Health hazard — irritant
- H315: Causes skin irritation.
Section 1 — Identification
1.1 Product identifier
Product identifier: Stearic Acid
Chemical name (IUPAC): octadecanoic acid
CAS number: 57-11-4
PubChem CID reference: 5281
Synonyms: stearic acid; Octadecanoic acid; n-Octadecanoic acid; Stearophanic acid; Stearex Beads; 1-Heptadecanecarboxylic acid; Pearl stearic; Cetylacetic acid; Industrene R; Octadecansaeure
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: Skin Irrit. 2.
Classification: Skin Irritation, Category 2 (Skin Irrit. 2) [H315]
2.2 Label elements
Signal word: Warning
GHS pictograms: GHS07 (Exclamation)
Hazard statement: H315: Causes skin irritation.
Precautionary statement: P280: Wear protective gloves, protective clothing, eye protection, face protection, and hearing protection.
Precautionary statement: P264: Wash hands thoroughly after handling.
Precautionary statement: P302+P352: IF ON SKIN: Wash with plenty of water.
Precautionary statement: P332+P317: If skin irritation occurs: Get medical help.
Precautionary statement: P362+P364: Take off contaminated clothing and wash it before reuse.
Precautionary statement: P321: Specific treatment is required.
Section 9 — Physical and Chemical Properties
9.1 Information on basic physical and chemical properties
Physical form: Solid
Appearance: Monoclinic leaflets from alcohol
Odor: Slight odor suggesting tallow
Boiling point: 382.8°C (721°F) at 1013 hPa
Melting point: 69.3°C (157°F)
Flash point: 113°C (235°F) closed cup
Density: 0.9408 g/cm³ at 20°C
Vapor pressure: 9.3 hPa at 25°C
Water solubility: none
Log Pow (log Kow): 8.23
Vapor density: 9.8 (air = 1)
Auto-ignition temperature: 395°C (743°F)
Viscosity: 9.87 mPa.sec (cP) at 70 °C
Not found in the public records searched: lower explosive limit, upper explosive limit and pH. Enter these from your supplier's safety data sheet or your own test report before the draft is issued.
Where each value came from
- Odor — Hazardous Substances Data Bank (HSDB)
- Larranaga, M.D., Lewis, R.J. Sr., Lewis, R.A.; Hawley's Condensed Chemical Dictionary 16th Edition. John Wiley & Sons, Inc. Hoboken, NJ 2016, p. 1273
- View the record
- Melting point — Hazardous Substances Data Bank (HSDB)
- Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton, FL: 2014-2015, p. 3-488
- View the record
- Flash point — Hazardous Substances Data Bank (HSDB)
- Sigma-Aldrich; Safety Data Sheet for Stearic acid. Product Number: 85679, Version 5.6 (Revision Date 07/21/2015)
- 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)
- Sangster J; LOGKOW Databank. Sangster Res Lab Montreal Quebec, Canada (1994)
- View the record
- Vapor density — Hazardous Substances Data Bank (HSDB)
- Lewis, R.J. Sr. (ed) Sax's Dangerous Properties of Industrial Materials. 12th Edition. Wiley-Interscience, Wiley & Sons, Inc. Hoboken, NJ. 2012, p. V5: 4069
- View the record
- Viscosity — Hazardous Substances Data Bank (HSDB)
- Bagby MO et al; Carboxylic acids. Kirk-Othmer Encyclopedia of Chemical Technology. (1999-2017). New York, NY: John Wiley & Sons. Online Posting Date: 17 Oct 2003
- 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
- Hazardous Substances Data Bank (HSDB)
- PubChem — GHS classification
- PubChem — compound record
- PubChem — names and identifiers
- PubChem — regulatory information
- PubChem — toxicity data
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 Stearic acid, and where each one comes from
26 measured values for 12 properties, read from 3 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
2 records, 371 to 383 °C
Used with vapour pressure to judge how readily the substance reaches the air you breathe.
Melting point
3 records agree
Fixes the physical state at handling temperature, which the label and the transport class depend on.
Flash point
3 records, 113 to 196 °C
The lowest temperature at which the liquid gives off enough vapour to ignite. It decides the GHS flammable liquid category.
- 113 °C (235 °F) - closed cup
- Hazardous Substances Data Bank (HSDB)
- 385 °F (196 dec C) (closed cup)
- Hazardous Substances Data Bank (HSDB)
Auto-ignition temperature
1 record
The temperature at which the substance ignites with no spark or flame. It sets safe surface and process temperatures.
Vapour pressure
3 records differ
The higher it is, the faster the substance evaporates into the workplace air at room temperature.
- Vapor pressure = 1 mm Hg at 173.1 °C
- Hazardous Substances Data Bank (HSDB)
- 7.22X10-7 mm Hg at 25 °C (ext)
- Hazardous Substances Data Bank (HSDB)
- 1 mmHg at 344.7 °F; 5 mmHg at 408.2 °F
- OSHA Occupational Chemical Database
Vapour density
2 records differ
Above 1 the vapour sinks and collects in pits, sumps and low enclosed spaces.
- 9.80 (Air = 1)
- Hazardous Substances Data Bank (HSDB)
Density
3 records differ
Needed to convert between mass and volume on the label, in transport papers and in a spill estimate.
- 0.9408 g/cu cm at 20 °C
- Hazardous Substances Data Bank (HSDB)
- 0.9408 @ 20°C
- PAC Chemical Database, U.S. Department of Energy
Solubility
5 records, each a different case
Determines spill behaviour, the right extinguishing media and the correct first-aid rinse.
- In water, 0.568 mg/L at 25 °C
- Hazardous Substances Data Bank (HSDB)
- In water, 0.597 mg/L at 25 °C
- Hazardous Substances Data Bank (HSDB)
- Insoluble in water
- Hazardous Substances Data Bank (HSDB)
- Slightly soluble in ethanol, benzene; soluble in acetone, chloroform, carbon disulfide
- Hazardous Substances Data Bank (HSDB)
- For more Solubility (Complete) data for Stearic acid (6 total), please visit the HSDB record page
- Hazardous Substances Data Bank (HSDB)
Partition coefficient (log Kow)
1 record
Indicates whether the substance accumulates in fat or in water, which drives the environmental sections.
- log Kow = 8.23
- Hazardous Substances Data Bank (HSDB)
Viscosity
1 record
Governs how far a spill spreads and how fast it soaks into a surface or a sorbent.
- 9.87 mPa.sec (cP) at 70 °C
- 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.
- Slight odor suggesting tallow
- Hazardous Substances Data Bank (HSDB)
Decomposition temperature
1 record
The temperature at which the substance breaks down, often into products more hazardous than itself.
- Decomposes at boiling point of 360 °C at 1 mm Hg
- Hazardous Substances Data Bank (HSDB)
These are the public records read for Stearic acid, 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 Stearic acid
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