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Safety Data Sheet EN

Metol

CAS 55-55-0
EC 200-237-1

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Metol
Product Code
4315
Chemical Name
4-(Methylamino)-phenol sulphate
Synonyms
4-(Methylamino)-phenol sulphate

Regulatory Identifiers

CAS Number
55-55-0 Check regulations →
EC Number
200-237-1 Check regulations →

Identified Uses

Laboratory chemical Laboratory and analytical use

Uses advised against

Do not use for products which come into contact with foodstuffs. Do not use for private purposes (household). Food, drink and animal feedingstuffs.

Manufacturers & Suppliers

Carl Roth GmbH + Co. KG logo

Carl Roth GmbH + Co. KG

manufacturer

Schoemperlenstr. 3-5 D-76185 Karlsruhe Germany

+49 (0) 721 - 56 06 0

http://www.carlroth.de

Emergency Contacts

National Poisons Information Service City Hospital

844 892 0111

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified warning

Hazard Classifications

Acute Tox. Cat. 4 H302
Skin Sens. Cat. 1 H317
STOT RE Cat. 2 H373
Aquatic Acute Cat. 1 H400
Aquatic Chronic Cat. 1 H410

GHS Pictograms

GHS07 - Health hazard

GHS07

GHS08 - Serious health hazard

GHS08

GHS09 - Environmental hazard

GHS09

Hazard Statements

H302 Harmful if swallowed
H317 May cause an allergic skin reaction
H373 May cause damage to organs through prolonged or repeated exposure
H410 Very toxic to aquatic life with long lasting effects

Precautionary Statements

P260 Do not breathe dusts or mists
P273 Avoid release to the environment
P280 Wear protective gloves/eye protection
P314 Get medical advice/attention if you feel unwell

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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
Metol EC: 200-237-1 55-55-0 --- Yes
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

Provide fresh air. In all cases of doubt, or when symptoms persist, seek medical advice.

Skin contact

Wash with plenty of soap and water. After contact with skin, wash immediately with plenty of water. In case of skin reactions, consult a physician.

Eye contact

Rinse cautiously with water for several minutes. In all cases of doubt, or when symptoms persist, seek medical advice.

Ingestion

Rinse mouth with water (only if the person is conscious). Let water be drunken in little sips (dilution effect). Do NOT induce vomiting. Call a doctor.

Symptoms: Vomiting

Immediate Medical Attention

In all cases of doubt, or when symptoms persist, seek medical advice.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

co-ordinate firefighting measures to the fire surroundings! water, foam, alcohol resistant foam, dry extinguishing powder, ABC-powder

Unsuitable media

water jet

Specific hazards

Combustible.

Instructions

Fight fire with normal precautions from a reasonable distance.

Firefighter Protection

Wear self-contained breathing apparatus.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Avoid contact with skin, eyes and clothes. Do not breathe dust.

Environmental

Keep away from drains, surface and ground water. Retain contaminated washing water and dispose of it.

Cleanup methods

Take up mechanically.

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

Provision of sufficient ventilation. Avoid dust formation.

Storage

Store in a dry place. Protect from sunlight.

Hygiene

Wash hands before breaks and after work. Keep away from food, drink and animal feedingstuffs.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Hands

Wear suitable gloves. Chemical protection gloves are suitable, which are tested according to EN 374. For special purposes, it is recommended to check the resistance to chemicals of the protective gloves mentioned above together with the supplier of these gloves. The times are approximate values from measurements at 22 ° C and permanent contact. Increased temperatures due to heated substances, body heat etc. and a reduction of the effective layer thickness by stretching can lead to a considerable reduction of the breakthrough time. If in doubt, contact manufacturer. At an approx. 1.5 times larger / smaller layer thickness, the respective breakthrough time is doubled / halved. The data apply only to the pure substance. When transferred to substance mixtures, they may only be considered as a guide. Type of material: NBR (Nitrile rubber). Material thickness: >0,11 mm. Breakthrough times of the glove material: >480 minutes (permeation: level 6).

Eyes

Use safety goggle with side protection.

Respiratory

Respiratory protection necessary at: Dust formation. Particulate filter device (EN 143). P2 (filters at least 94 % of airborne particles, colour code: White).

Skin/Body

Take recovery periods for skin regeneration. Preventive skin protection (barrier creams/ointments) is recommended.

Environmental

Keep away from drains, surface and ground water.

09

Physical and Chemical Properties

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

Physical State
solid
Physical State Data
solid
State Under Standard Conditions
---
Appearance
---
Colour
white - whitish
Colour Intensity
---
Form
powder, crystalline
Odor
odourless
Odor Threshold
---
Ph
3,72 (in aqueous solution: 50[g] /l, 26 °C) (ECHA)
Melting Point
260 °C (ECHA)
Boiling Point
300 °C at 971,2 hPa (ECHA)
Flash Point
257 °C at 971,2 hPa (ECHA)
Freezing Point
---
Softening Point
---
Solidification Point
---
Cloud Point
---
Crystallisation Point
---
Relative Evaporation Rate
---
Evaporation Rate
---
Vapor Pressure
not determined
Vapor Density
---
Relative Density
---
Bulk Density
~660[kg] /m³
Density
0,69[g] /cm³ at 20 °C (ECHA)
Flammability
this material is combustible, but will not ignite readily
Upper Explosive Limit
not relevant (solid)
Lower Explosive Limit
not relevant (solid)
Explosive Limits
---
Auto Ignition Temperature
531 °C (ECHA) (relative self-ignition temperature for solids)
Decomposition Temperature
260 °C
Solubility
---
Partition Coefficient
0,79 (25 °C) (ECHA)
Solubility In Water
50[g] /l at 20 °C (TOXNET)
Solubility In Fat
---
Molecular Weight
---
Voc Content
---
Metal Corrosion
---
Dynamic Viscosity
---
Kinematic Viscosity
not relevant
Properties Status
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

The material is stable under normal ambient and anticipated storage and handling conditions of temperature and pressure.

Reactivity

The product in the delivered form is not dust explosion capable; the enrichment of fine dust however leads to the danger of dust explosion.

Hazardous reactions

Violent reaction with: strong oxidiser, Strong alkali, Acids, Acid chlorides, inorganic

Avoid

Keep away from heat. UV-radiation/sunlight. Decompostion takes place from temperatures above: 260 °C.

Incompatible

There is no additional information.

Decomposition

Hazardous combustion products: 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

UN Number
3077
Shipping Name
ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S.
Transport Class
9
Packing Group
III
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 Metol known by?

Metol is also known as: 4-(Methylamino)-phenol sulphate

What is the hazard signal word for Metol?

The signal word is warning.

What is the physical form of Metol?

Metol is a solid with white - whitish color. It has odourless odor.

What is Metol used for?

Laboratory chemical Laboratory and analytical use

What are the hazard statements for Metol?

This substance has 4 hazard statements:

  • H302: Harmful if swallowed
  • H317: May cause an allergic skin reaction
  • H373: May cause damage to organs through prolonged or repeated exposure
  • H410: Very toxic to aquatic life with long lasting effects

What is the melting point of Metol?

The melting point is 260 °C (ECHA) and the boiling point is 300 °C at 971,2 hPa (ECHA).