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Safety Data Sheet EN

Sodium Hydroxide Solution 4.5N

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Sodium Hydroxide Solution 4.5N
Product Code
204053

Regulatory Identifiers

CAS Number
N/A

Identified Uses

Laboratory Use. Standard solution.

Uses advised against

None.

Manufacturers & Suppliers

H

Hach Company

manufacturer

P.O.Box 389 Loveland, CO 80539 USA

+1(970) 669-3050

Emergency Contacts

Emergency Contact

+1(303) 623-5716

24 Hour Service

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified danger

Hazard Classifications

Met. Corr. Cat. 1
Skin Corr. Cat. 1
Eye Dam. Cat. 1

GHS Pictograms

GHS05 - Corrosive

GHS05

Hazard Statements

H290 May be corrosive to metals
H314 Causes severe skin burns and eye damage

Precautionary Statements

P234 Keep only in original container
P260 Do not breathe dust/fume/gas/mist/vapors/spray
P280 Wear protective gloves/protective clothing/eye protection/face protection
P301 + P330 + P331 IF SWALLOWED: rinse mouth. Do NOT induce vomiting
P303 + P361 + P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower
P304 + P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing
P310 Immediately call a POISON CENTER or doctor/physician
P363 Wash contaminated clothing before reuse
P390 Absorb spillage to prevent material damage
P405 Store locked up
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 mixture

Chemical Family Mixture.

Chemical Name CAS Number Concentration Hazardous
Sodium hydroxide 1310-73-2 10 - 20% No
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

Remove to fresh air. If breathing has stopped, give artificial respiration. Get medical attention immediately. If breathing is difficult, (trained personnel should) give oxygen. Get immediate medical advice/attention.

Symptoms: Delayed pulmonary edema may occur.

Skin contact

Wash off immediately with soap and plenty of water while removing all contaminated clothes and shoes. Get immediate medical advice/attention.

Eye contact

Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Keep eye wide open while rinsing. Do not rub affected area. Get immediate medical advice/attention.

Ingestion

Clean mouth with water and drink afterwards plenty of water. Never give anything by mouth to an unconscious person. Do NOT induce vomiting. Get immediate medical advice/attention.

Immediate Medical Attention

Immediate medical attention is required.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.

Unsuitable media

Caution: Use of water spray when fighting fire may be inefficient.

Specific hazards

The product causes burns of eyes, skin and mucous membranes. Thermal decomposition can lead to release of irritating gases and vapors.

Firefighter Protection

Firefighters should wear self-contained breathing apparatus and full firefighting turnout gear. Use personal protection equipment.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Evacuate personnel to safe areas. Keep people away from and upwind of spill/leak.

Environmental

Prevent further leakage or spillage if safe to do so. Should not be released into the environment.

Cleanup methods

Pick up and transfer to properly labeled 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, eyes or clothing. In case of insufficient ventilation, wear suitable respiratory equipment.

Storage

Keep containers tightly closed in a dry, cool and well-ventilated place. Protect from moisture. Store locked up. Keep out of the reach of children. Store away from other materials.

Hygiene

Handle in accordance with good industrial hygiene and safety practice. Do not eat, drink or smoke when using this product. Take off contaminated clothing and wash before reuse.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Engineering

Showers, Eyewash stations, Ventilation systems.

Hands

Wear suitable gloves. Impervious gloves.

Eyes

Face protection shield.

Respiratory

No protective equipment is needed under normal use conditions. If exposure limits are exceeded or irritation is experienced, ventilation and evacuation may be required.

Skin/Body

Wear suitable protective clothing. Long sleeved clothing. Chemical resistant apron.

Environmental

Local authorities should be advised if significant spillages cannot be contained. Do not allow into any sewer, on the ground or into any body of water.

09

Physical and Chemical Properties

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

Bulk Density
No data available
Partition Coefficient
Not applicable
Molecular Weight
No data available
Auto Ignition Temperature
No data available
Kinematic Viscosity
~ 2.117 cSt (mm²/s) at 20 °C / 68 °F
Voc Content
No data available
State Under Standard Conditions
---
Ph
> 12
Relative Evaporation Rate
---
Relative Density
1.181
Odor
Odorless
Metal Corrosion
Steel Corrosion Rate: No data available; Aluminum Corrosion Rate: > 508 mm/yr / > 20 in/yr
Flash Point
No data available
Form
---
Solubility
---
Colour Intensity
---
Solubility In Fat
---
Flammability
---
Upper Explosive Limit
No data available
Colour
colorless
Solidification Point
---
Boiling Point
~ 105 °C / 221 °F
Melting Point
~ -17 °C / 1 °F
Softening Point
---
Vapor Pressure
0.3 mm Hg / 0.04 kPa at 20 °C / 68 °F
Properties Status
---
Freezing Point
---
Cloud Point
---
Crystallisation Point
---
Decomposition Temperature
No data available
Density
---
Odor Threshold
No data available
Explosive Limits
---
Physical State Data
liquid
Dynamic Viscosity
~ 2.5 cP (mPa s) at 20 °C / 68 °F
Lower Explosive Limit
No data available
Vapor Density
0.62
Evaporation Rate
0.88 (water = 1)
Physical State
Liquid
Appearance
aqueous solution
Solubility In Water
> 1000 mg/L
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

Stable under normal conditions.

Reactivity

Not applicable.

Hazardous reactions

None under normal processing. Hazardous polymerization: None under normal processing.

Avoid

Exposure to air or moisture over prolonged periods.

Incompatible

Oxidizing agent. Acids. Bases.

Decomposition

Thermal decomposition can lead to release of irritating and toxic gases and vapors.

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

UN Number
UN1824
Shipping Name
Sodium Hydroxide Solution
Transport Class
8
Packing Group
II
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 Hydroxide Solution 4.5N?

The signal word is danger.

What is the physical form of Sodium Hydroxide Solution 4.5N?

Sodium Hydroxide Solution 4.5N is a liquid appearing as aqueous solution with colorless color. It has odorless odor.

What is Sodium Hydroxide Solution 4.5N used for?

Laboratory Use. Standard solution.

What are the hazard statements for Sodium Hydroxide Solution 4.5N?

This substance has 2 hazard statements:

  • H290: May be corrosive to metals
  • H314: Causes severe skin burns and eye damage

What is the melting point of Sodium Hydroxide Solution 4.5N?

The melting point is ~ -17 °C / 1 °F and the boiling point is ~ 105 °C / 221 °F.