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Safety Data Sheet EN

Guanidine hydrochloride

CAS 50-01-1
EC 200-002-3

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Guanidine hydrochloride
Product Code
0035
Chemical Name
Guanidine hydrochloride

Regulatory Identifiers

CAS Number
50-01-1 Check regulations →
EC Number
200-002-3 Check regulations →
REACH No.
01-2119977063-35-xxxx

Identified Uses

Laboratory chemical Laboratory and analytical use

Uses advised against

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

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified warning

Hazard Classifications

Acute Tox. Cat. 4 H302
Acute Tox. Cat. 4 H332
Skin Irrit. Cat. 2 H315
Eye Irrit. Cat. 2 H319

GHS Pictograms

GHS07 - Health hazard

GHS07

Hazard Statements

H302 + H332 Harmful if swallowed or if inhaled
H315 Causes skin irritation
H319 Causes serious eye irritation

Precautionary Statements

P260 Do not breathe dust
P280 Wear protective gloves/eye protection
P302 + P352 IF ON SKIN: Wash with plenty of water
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type substance

Name of substance Guanidine hydrochloride Molecular formula CH₅N₃ · HCl

Chemical Name CAS Number Concentration Hazardous
Guanidine hydrochloride EC: 200-002-3 50-01-1 --- No

Molar mass 95,53[g] /mol

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.

Symptoms: Dyspnoea

Skin contact

Rinse skin with water/shower. In case of skin irritation, consult a physician.

Symptoms: Irritation

Eye contact

Irrigate copiously with clean, fresh water for at least 10 minutes, holding the eyelids apart. In case of eye irritation consult an ophthalmologist.

Ingestion

Rinse mouth with water (only if the person is conscious). Call a doctor.

Symptoms: Vomiting, Diarrhoea, Gastrointestinal complaints

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

Avoid dust formation.

Storage

Store in a dry place. Hygroscopic solid.

Hygiene

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

Fire prevention

Measures to prevent fire as well as aerosol and dust generation: Removal of dust deposits.

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. NBR (Nitrile rubber), >0,11 mm, >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

Relative Evaporation Rate
---
Kinematic Viscosity
not relevant
Odor Threshold
---
Flammability
this material is combustible, but will not ignite readily
Crystallisation Point
---
Physical State
solid
Relative Density
---
Metal Corrosion
---
Dynamic Viscosity
---
Solubility In Fat
---
Cloud Point
---
Solubility
---
Solidification Point
---
Appearance
---
Melting Point
188 °C (ECHA)
Freezing Point
---
Solubility In Water
2.150[g] /l at 20 °C (ECHA)
Evaporation Rate
---
Density
1,345[g] /cm³ at 20 °C (ECHA)
Decomposition Temperature
>231 °C at 1.013 hPa (ECHA)
Vapor Pressure
not determined
Explosive Limits
---
Physical State Data
solid
Properties Status
---
Form
powder, crystalline
State Under Standard Conditions
---
Auto Ignition Temperature
not determined
Partition Coefficient
<-1,7 (pH value: 7,4, 20 °C) (ECHA)
Colour Intensity
---
Voc Content
---
Molecular Weight
---
Lower Explosive Limit
not relevant (solid)
Colour
colourless
Bulk Density
~600[kg] /m³
Odor
odourless
Ph
4,5 – 5,5 (in aqueous solution: 100[g] /l, 25 °C)
Vapor Density
---
Softening Point
---
Flash Point
not applicable
Boiling Point
not determined
Upper Explosive Limit
not relevant (solid)
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

Hygroscopic solid.

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

Avoid

Keep away from heat. Decompostion takes place from temperatures above: >231 °C at 1.013 hPa. Protect from moisture.

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

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 Guanidine hydrochloride?

The signal word is warning.

What is the physical form of Guanidine hydrochloride?

Guanidine hydrochloride is a solid with colourless color. It has odourless odor.

What is Guanidine hydrochloride used for?

Laboratory chemical Laboratory and analytical use

What are the hazard statements for Guanidine hydrochloride?

This substance has 3 hazard statements:

  • H302 + H332: Harmful if swallowed or if inhaled
  • H315: Causes skin irritation
  • H319: Causes serious eye irritation

What is the melting point of Guanidine hydrochloride?

The melting point is 188 °C (ECHA) and the boiling point is not determined.