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Safety Data Sheet EN

Sodium phosphate dibasic

CAS 7558-79-4

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Sodium phosphate dibasic
Product Code
S5136

Regulatory Identifiers

CAS Number
7558-79-4 Check regulations →
REACH No.
01-2119489797-11-XXXX

Identified Uses

Laboratory chemicals, Manufacture of substances

Manufacturers & Suppliers

M

Merck Life Science BV

manufacturer

Ildefonse Vandammestraat 5/7B, B-1560 HOEILAART

+32 (0)3 899-1301

Emergency Contacts

CHEMTREC

+(32) 28 083237

Anti-poison centre

070 245245

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified no signal word

Hazard Classifications

Not Classified

GHS Pictograms

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type substance

Synonyms : Disodium hydrogen phosphate sec-Sodium phosphate Disodium phosphate Sodium hydrogenphosphate Formula : HNa₂O₄P Molecular weight : 141,96 g/mol CAS-No. : 7558-79-4 EC-No. : 231-448-7

Chemical Name CAS Number Concentration Hazardous
Disodium hydrogen phosphate EC: 231-448-7 7558-79-4 --- No
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

fresh air.

Skin contact

Take off immediately all contaminated clothing. Rinse skin with water/ shower.

Eye contact

rinse out with plenty of water. Remove contact lenses.

Ingestion

make victim drink water (two glasses at most).

Immediate Medical Attention

Consult doctor if feeling unwell.

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

Not combustible. Ambient fire may liberate hazardous vapours.

Instructions

Suppress (knock down) gases/vapours/mists with a water spray jet.

Firefighter Protection

In the event of fire, wear self-contained breathing apparatus.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Avoid inhalation of dusts. Evacuate the danger area, observe emergency procedures, consult an expert.

Environmental

Do not let product enter drains.

Cleanup methods

Take up dry. Clean up affected area.

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

For precautions see section 2.2.

Storage

Tightly closed. Dry. Hygroscopic. Keep in a dry place.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Hands

Full contact: Material: Nitrile rubber, Minimum layer thickness: 0,11 mm, Break through time: 480 min, Material tested: KCL 741 Dermatril® L. Splash contact: Material: Nitrile rubber, Minimum layer thickness: 0,11 mm, Break through time: 480 min, Material tested: KCL 741 Dermatril® L. This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN 16523-1 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell, Internet: www.kcl.de).

Eyes

Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Safety glasses

Respiratory

Respiratory protection is not required. Where protection from nuisance levels of dusts are desired, use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).

Environmental

Do not let product enter drains.

09

Physical and Chemical Properties

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

Physical State
powder, Crystalline powder
Physical State Data
solid
State Under Standard Conditions
---
Appearance
---
Colour
white
Colour Intensity
---
Form
---
Odor
odourless
Odor Threshold
---
Ph
8,9 - 9,2 at 50 g/l at 25 °C
Melting Point
> 450 °C - Regulation (EC) No. 440/2008, Annex, A.1
Boiling Point
---
Flash Point
Not applicable
Freezing Point
---
Softening Point
---
Solidification Point
---
Cloud Point
---
Crystallisation Point
---
Relative Evaporation Rate
---
Evaporation Rate
---
Vapor Pressure
---
Vapor Density
---
Relative Density
---
Bulk Density
---
Density
1,53 g/cm3 at 20 °C
Flammability
The product is not flammable.
Upper Explosive Limit
---
Lower Explosive Limit
---
Explosive Limits
---
Auto Ignition Temperature
---
Decomposition Temperature
---
Solubility
---
Partition Coefficient
Not applicable for inorganic substances
Solubility In Water
at 20 °C - Regulation (EC) No. 440/2008, Annex, A.6 completely soluble
Solubility In Fat
---
Molecular Weight
---
Voc Content
---
Metal Corrosion
---
Dynamic Viscosity
---
Kinematic Viscosity
---
Properties Status
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

The product is chemically stable under standard ambient conditions (room temperature).

Reactivity

No data available

Hazardous reactions

Exothermic reaction with: Strong acids, antipyrine, acetates

Avoid

Exposure to moisture

Incompatible

No data available

Decomposition

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 Sodium phosphate dibasic?

The signal word is no signal word.

What is the physical form of Sodium phosphate dibasic?

Sodium phosphate dibasic is a powder, crystalline powder with white color. It has odourless odor.

What is Sodium phosphate dibasic used for?

Laboratory chemicals, Manufacture of substances

What is the melting point of Sodium phosphate dibasic?

The melting point is > 450 °C - Regulation (EC) No. 440/2008, Annex, A.1 .