Sodium hydroxide

and

Revision date : 2025-12-16

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GHS05
Health risk rating 3
Safety risk rating 1
Environmental risk rating 1

Note: Ingredients listed on restricted chemical lists

EC/CAS

1310-73-2

Name of the chemical

sodium hydroxide

Concentration

32%

General Information

Revision date

2025-12-16

Product name

Sodium hydroxide

Chemical name

Sodium hydroxide

CAS No.

1310-73-2

1.2.1 Relevant identified uses

Chemical manufacturing; viscose and cellophane; neutralizers for refined petroleum; pulp and paper; aluminum; detergents; soap; textile treatment; refined vegetable oils; recycled rubber; regenerated ion-exchange resins organic fusion; peeling of fruits...

Icons in SDS

GHS05 M004 M008 M009 M010 M011 M013 M017

Company Information

company name

and

Hazard Codes

Hazard statements (CLP)

H314, H318

Hazard statements

Code

Statements

H314

Causes severe skin burns and eye damage

Section 2

SECTION 2: Hazards identification

Information Chemical Hazard Classification Acute Toxicity Category 4 (Skin), Metal Corrosive Category 1, Corrosive/Irritant to Skin Category 1, Serious Eye Damage/Irritation Category 1 Label content:

Hazard pictograms

Warning:Danger Hazard Warning Message: Harmful in contact with skin. May corrode metals. Causes severe skin burns and eye damage. Causes serious eye damage. Hazard Prevention Measures: Appropriate personal protective equipment should be worn during operation. Skin or eye contact should be avoided. In case of accidental contact, rinse immediately with plenty of water for at least 20 minutes and seek medical attention (if exposure occurs, it is recommended to first use Diphoterine to wash the affected area). In case of a spill, it should be neutralized with a dilute acid, then diluted with a large amount of water before being discharged into the wastewater system for treatment. Direct discharge into sewers causing pollution is prohibited. If an accident occurs or you feel unwell, consult medical care immediately.

2.3 Other hazards

- 3.Ingredient Identification Information Pure substance: Chinese and English names:氫氧化納(Sodium hydroxide) Synonym:Hydroxyde de sodium (liquid)、Sodium hydroxide、苛性鈉、Soda lye、Caustic soda、LYE、 Sodium hydrate Chemical Abstracts Service Registry Number(CAS No.): 1310-73-2 Existing Chemical Substance Phase One Registration Number:EPEP4A00577877 Harmful Ingredients (Ingredient Percentage):32%、45%、50%

2.1 Classification of the substance or mixture

Acute Toxicity Category 4 (Skin), Metal Corrosive Category 1, Corrosive/Irritant to Skin Category 1, Serious Eye Damage/Irritation Category 1.

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