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Safety Data Sheet EN

Chlormefos

CAS 24934-91-6
EC 246-538-1

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Chlormefos
Product Code
45386
Chemical Name
S-(Chloromethyl) O,O-diethyl phosphorodithioate
Synonyms
Chlormephos

Regulatory Identifiers

CAS Number
24934-91-6 Check regulations →
EC Number
246-538-1 Check regulations →

Identified Uses

Laboratory chemicals, Manufacture of substances

Manufacturers & Suppliers

S

Sigma-Aldrich

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 danger

Hazard Classifications

Acute Tox. Cat. 2 H300
Acute Tox. Cat. 1 H330
Acute Tox. Cat. 4 H312
Aquatic Acute Cat. 1 H400
Aquatic Chronic Cat. 1 H410

GHS Pictograms

GHS06 - Acute toxicity

GHS06

GHS09 - Environmental hazard

GHS09

Hazard Statements

H300 + H330 Fatal if swallowed or if inhaled
H312 Harmful in contact with skin.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary Statements

P260 Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
P264 Wash skin thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P280 Wear protective gloves/ protective clothing.
P284 Wear respiratory protection.
P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/ physician.
P302 + P352 IF ON SKIN: Wash with plenty of soap and water.
P304 + P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P310 Immediately call a POISON CENTER or doctor/ physician.
P320 Specific treatment is urgent (see supplemental first aid instructions on this label).
P330 Rinse mouth.
P363 Wash contaminated clothing before reuse.
P391 Collect spillage.
P403 + P233 Store in a well-ventilated place. Keep container tightly closed.
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 Substances
Chemical Name CAS Number Concentration Hazardous
S-(Chloromethyl) O,O-diethyl phosphorodithioate EC: 246-538-1 24934-91-6 --- Yes

Notes

For the full text of the H-Statements mentioned in this Section, see Section 16.

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. Take victim immediately to hospital. Consult a physician.

Eye contact

Flush eyes with water as a precaution.

Ingestion

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

Immediate Medical Attention

no data available

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

The data for this section has not been processed yet.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

The data for this section has not been processed yet.

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

The data for this section has not been processed yet.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Engineering

Avoid contact with skin, eyes and clothing. Wash hands before breaks and immediately after handling the product.

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.

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 multipurpose 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

Form
liquid
Relative Density
1.260 g/cm3 at 20 C (68 F)
Explosive Limits
---
Odor
no data available
Colour
colourless
Softening Point
---
Relative Evaporation Rate
---
State Under Standard Conditions
---
Colour Intensity
---
Physical State Data
liquid
Melting Point
no data available
Lower Explosive Limit
no data available
Vapor Density
no data available
Flash Point
- 100.00 C (> 212.00 F) - closed cup
Appearance
Form: liquid Colour: colourless
Metal Corrosion
---
Decomposition Temperature
no data available
Physical State
liquid
Kinematic Viscosity
---
Cloud Point
---
Molecular Weight
---
Partition Coefficient
no data available
Solubility
no data available
Ph
no data available
Crystallisation Point
---
Flammability
no data available
Properties Status
---
Solubility In Water
no data available
Upper Explosive Limit
no data available
Solidification Point
---
Solubility In Fat
---
Vapor Pressure
no data available
Odor Threshold
no data available
Density
---
Dynamic Viscosity
---
Bulk Density
---
Boiling Point
81 - 85 C (178 - 185 F) at 0.100 hPa (0.075 mmHg)
Freezing Point
no data available
Evaporation Rate
no data available
Voc Content
---
Auto Ignition Temperature
no data available
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

The data for this section has not been processed yet.

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
2810
Shipping Name
Toxic, liquids, organic, n.o.s. (Chlormephos)
Transport Class
6.1
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 other names is Chlormefos known by?

Chlormefos is also known as: Chlormephos

What is the hazard signal word for Chlormefos?

The signal word is danger.

What is the physical form of Chlormefos?

Chlormefos is a liquid appearing as form: liquid colour: colourless with colourless color. It has no data available odor.

What is the solubility of Chlormefos?

no data available

What is Chlormefos used for?

Laboratory chemicals, Manufacture of substances

What are the hazard statements for Chlormefos?

This substance has 3 hazard statements:

  • H300 + H330: Fatal if swallowed or if inhaled
  • H312: Harmful in contact with skin.
  • H410: Very toxic to aquatic life with long lasting effects.

What is the melting point of Chlormefos?

The melting point is no data available and the boiling point is 81 - 85 C (178 - 185 F) at 0.100 hPa (0.075 mmHg).

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