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Safety Data Sheet EN

Naphthenic acid

CAS 1338-24-5

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Naphthenic acid
Product Code
70340

Regulatory Identifiers

CAS Number
1338-24-5 Check regulations →

Identified Uses

Laboratory chemicals, Synthesis of substances

Manufacturers & Suppliers

S

Sigma-Aldrich

manufacturer

3050 Spruce Street, SAINT LOUIS MO 63103, USA

+1 800-325-5832

Emergency Contacts

CHEMTREC

+1-703-527-3887

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified warning

Hazard Classifications

Skin Irrit. Cat. 2 H315
Eye Irrit. Cat. 2A H319
Skin Sens. Cat. 1 H317
Aquatic Acute Cat. 3 H402

GHS Pictograms

GHS07 - Health hazard

GHS07

Hazard Statements

H315 Causes skin irritation.
H317 May cause an allergic skin reaction.
H319 Causes serious eye irritation.
H402 Harmful to aquatic life.

Precautionary Statements

P261 Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P264 Wash skin thoroughly after handling.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/ eye protection/ face protection.
P302 + P352 IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P321 Specific treatment (see supplemental first aid instructions on this label).
P333 + P313 If skin irritation or rash occurs: Get medical advice/ attention.
P337 + P313 If eye irritation persists: Get medical advice/ attention.
P362 Take off contaminated clothing and wash before reuse.
P501 Dispose of contents/ container to an approved waste disposal plant.

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type substance
Chemical Name CAS Number Concentration Hazardous
Naphthenic acids EC: 215-662-8 1338-24-5 90 - 100% Yes
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

Skin contact

Wash off with soap and plenty of water. Consult a physician.

Eye contact

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

Ingestion

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

Firefighter Protection

Wear self-contained breathing apparatus for firefighting if necessary.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Use personal protective equipment. Avoid breathing vapours, mist or gas. Ensure adequate ventilation.

Environmental

Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.

Cleanup methods

Soak up with inert absorbent material and dispose of as hazardous waste. Keep in suitable, closed containers for disposal.

Materials: inert absorbent material

—

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

Avoid contact with skin and eyes. Avoid inhalation of vapour or mist.

Storage

Keep container tightly closed in a dry and well-ventilated place.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Engineering

Handle in accordance with good industrial hygiene and safety practice.

Hands

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. Full contact: Material: Nitrile rubber, Minimum layer thickness: 0.4 mm, Break through time: 480 min, Material tested: Camatril® (KCL 730 / Aldrich Z677442, Size M). Splash contact: Material: Nature latex/chloroprene, Minimum layer thickness: 0.6 mm, Break through time: 60 min, Material tested: Lapren® (KCL 706 / Aldrich Z677558, Size M). data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300, e-mail sales@kcl.de, test method: EN374. If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact the supplier of the CE approved gloves. This recommendation is advisory only and must be evaluated by an industrial hygienist and safety officer familiar with the specific situation of anticipated use by our customers. It should not be construed as offering an approval for any specific use scenario.

Eyes

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).

Respiratory

Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator with multi-purpose combination (US) or type ABEK (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).

Skin/Body

Complete suit protecting against chemicals. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.

Environmental

Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.

09

Physical and Chemical Properties

Appearance, physical state, melting point, boiling point, and material characteristics

Flash Point
101 °C
Solubility In Fat
---
Vapor Density
No data available
Metal Corrosion
---
State Under Standard Conditions
---
Decomposition Temperature
No data available
Physical State
viscous liquid
Properties Status
---
Odor
No data available
Molecular Weight
---
Colour
---
Bulk Density
---
Crystallisation Point
---
Form
viscous liquid
Evaporation Rate
No data available
Flammability
No data available
Softening Point
---
Vapor Pressure
No data available
Solubility In Water
0.05 g/l
Colour Intensity
---
Kinematic Viscosity
22 mm2/s
Odor Threshold
No data available
Appearance
viscous liquid
Solubility
0.05 g/l at 20 ℃ (68 ºF) - slightly soluble
Melting Point
No data available
Cloud Point
---
Density
---
Auto Ignition Temperature
No data available
Voc Content
---
Partition Coefficient
No data available
Boiling Point
106.4 - 333.6 °C
Explosive Limits
---
Solidification Point
---
Dynamic Viscosity
---
Physical State Data
liquid
Lower Explosive Limit
No data available
Upper Explosive Limit
No data available
Freezing Point
No data available
Relative Density
0.92 g/cm3
Ph
No data available
Relative Evaporation Rate
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

Stable under recommended storage conditions.

Reactivity

No data available

Hazardous reactions

No data available

Avoid

No data available

Incompatible

No data available

Decomposition

Hazardous decomposition products formed under fire conditions. - Nature of decomposition products not known. Other decomposition products - No data available In the event of fire: see section 5

12

Ecological Information

Environmental toxicity, biodegradation, and bioaccumulation data

The data for this section has not been processed yet.

13

Disposal Considerations

Waste treatment methods, disposal recommendations, and waste codes

Disposal

Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed professional waste disposal service to dispose of this material.

14

Transport Information

UN numbers, shipping names, transport classes, and regulatory requirements

UN Number
3082
Shipping Name
Environmentally hazardous substance, liquid, n.o.s. (Naphthenic acids)
Transport Class
9
Packing Group
III
15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

?

Frequently Asked Questions

Common questions about safety, handling, and properties

What is the hazard signal word for Naphthenic acid?

The signal word is warning.

What is the physical form of Naphthenic acid?

Naphthenic acid is a viscous liquid appearing as viscous liquid . It has no data available odor.

What is the solubility of Naphthenic acid?

0.05 g/l at 20 ℃ (68 ºF) - slightly soluble

What is Naphthenic acid used for?

Laboratory chemicals, Synthesis of substances

What are the hazard statements for Naphthenic acid?

This substance has 4 hazard statements:

  • H315: Causes skin irritation.
  • H317: May cause an allergic skin reaction.
  • H319: Causes serious eye irritation.
  • H402: Harmful to aquatic life.

What is the melting point of Naphthenic acid?

The melting point is No data available and the boiling point is 106.4 - 333.6 °C.