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Safety Data Sheet EN

Citric acid

CAS 77-92-9

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Citric acid
Product Code
251275

Regulatory Identifiers

CAS Number
77-92-9 Check regulations →

Identified Uses

Laboratory chemicals, Synthesis of substances

Manufacturers & Suppliers

S

Sigma-Aldrich

manufacturer

S

SIGMA-ALDRICH CANADA CO.

manufacturer

2149 WINSTON PARK DRIVE, OAKVILLE ON L6H 6J8, CANADA

+1 905 8299-500

Emergency Contacts

CHEMTREC

+1-703-527-3887

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified warning

Hazard Classifications

Eye Irrit. Cat. 2A H319

GHS Pictograms

GHS07 - Health hazard

GHS07

Hazard Statements

H319 Causes serious eye irritation.

Precautionary Statements

P264 Wash skin thoroughly after handling.
P280 Wear eye protection/ face protection.
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337 + P313 If eye irritation persists: Get medical advice/ attention.

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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
Citric acid EC: 201-069-1 77-92-9 100% 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.

Immediate Medical Attention

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.

Specific hazards

Carbon oxides

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 dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Avoid breathing dust.

Environmental

Do not let product enter drains.

Cleanup methods

Pick up and arrange disposal without creating dust. Sweep up and shovel.

Materials: suitable, closed containers

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 formation of dust and aerosols.

Storage

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

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

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: 0.11 mm Break through time: 480 min Material tested:Dermatril® (KCL 740 / Aldrich Z677272, Size M) Splash contact Material: Nitrile rubber Minimum layer thickness: 0.11 mm Break through time: 480 min Material tested:Dermatril® (KCL 740 / Aldrich Z677272, 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

Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Respiratory

For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).

Skin/Body

Impervious clothing, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.

Environmental

Do not let product enter drains.

09

Physical and Chemical Properties

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

Crystallisation Point
---
Partition Coefficient
log Pow: -1.64 at 20 °C (68 °F)
Softening Point
---
Solubility In Water
383 g/l at 25 °C (77 °F)
Kinematic Viscosity
---
Form
crystalline
Physical State
crystalline
Properties Status
---
Freezing Point
---
Solubility
---
Dynamic Viscosity
---
Auto Ignition Temperature
---
Solidification Point
---
Boiling Point
---
Ph
1.8 at ca.50 g/l at 25 °C (77 °F)
State Under Standard Conditions
---
Lower Explosive Limit
8 %(V)
Decomposition Temperature
---
Odor Threshold
No data available
Melting Point
153 - 159 °C (307 - 318 °F) - lit.
Relative Density
---
Solubility In Fat
---
Voc Content
---
Vapor Pressure
---
Flash Point
---
Appearance
Form: crystalline Colour: white
Upper Explosive Limit
---
Density
---
Evaporation Rate
---
Odor
No data available
Explosive Limits
---
Relative Evaporation Rate
---
Vapor Density
---
Bulk Density
---
Molecular Weight
---
Metal Corrosion
---
Colour
white
Physical State Data
solid
Cloud Point
---
Colour Intensity
---
Flammability
---
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

Oxidizing agents, Bases, Reducing agents, Nitrates

Decomposition

Other decomposition products - No data available. Hazardous decomposition products formed under fire conditions. - Carbon oxides. 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

The data for this section has not been processed yet.

14

Transport Information

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

15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

The data for this section has not been processed yet.

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Frequently Asked Questions

Common questions about safety, handling, and properties

What is the hazard signal word for Citric acid?

The signal word is warning.

What is the physical form of Citric acid?

Citric acid is a crystalline appearing as form: crystalline colour: white with white color. It has no data available odor.

What is Citric acid used for?

Laboratory chemicals, Synthesis of substances

What are the hazard statements for Citric acid?

This substance has 1 hazard statement:

  • H319: Causes serious eye irritation.

What is the melting point of Citric acid?

The melting point is 153 - 159 °C (307 - 318 °F) - lit. .