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GUANIDINE HYDROCHLORIDE

1.1

IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING

Product identifiers

Product name

Product Number

Brand

Index-No.

CAS-No.

Guanidine hydrochloride

G4505

607-148-00-0

50-01-1

1.2

Relevant identified uses of the substance or mixture and uses advised against

Identified uses

Laboratory chemicals, Manufacture of substances

2.1

2.2

HAZARDS IDENTIFICATION

Classification of the substance or mixture

Classification according to Regulation (EC) No 1272/2008 [EU-GHS/CLP]

Acute toxicity (Category 4)

Eye irritation (Category 2)

Skin irritation (Category 2)

Classification according to EU Directives 67/548/EEC or 1999/45/EC

Harmful if swallowed. Irritating to eyes and skin.

Label elements

Labelling according Regulation (EC) No 1272/2008 [CLP]

Pictogram

Signal word

Hazard statement(s)

H319

H315

H302

Precautionary statement(s)

P305 + P351 + P338

Supplemental Hazard

Statements

- G4505

Warning

Causes serious eye irritation.

Causes skin irritation.

Harmful if swallowed.

IF IN EYES: Rinse cautiously with water for several minutes. Remove

contact lenses, if present and easy to do. Continue rinsing.

none

According to European Directive 67/548/EEC as amended.

Hazard symbol(s)

R-phrase(s)

R22

R36/38

S-phrase(s)

S22

Harmful if swallowed.

Irritating to eyes and skin.

Do not breathe dust.

2.3

3.1

Other hazards - none

COMPOSITION/INFORMATION ON INGREDIENTS

Substances

Synonyms

Formula

Molecular Weight

Component

Guanidinium chloride

Aminoformamidine hydrochloride

Aminomethanamidine hydrochloride

CH5N3 · HCl

95,53 g/mol

Concentration

CAS-No.

EC-No.

Index-No.

50-01-1

200-002-3

607-148-00-0

4.1

4.2

4.3

5.1

5.2

5.3

FIRST AID MEASURES

Description of first aid measures

General advice

Consult a physician. Show this safety data sheet to the doctor in attendance.

If inhaled

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

In case of skin contact

Wash off with soap and plenty of water. Consult a physician.

In case of eye contact

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed

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

Most important symptoms and effects, both acute and delayed

To the best of our knowledge, the chemical, physical, and toxicological properties have not been

thoroughly investigated.

Indication of any immediate medical attention and special treatment needed

no data available

FIREFIGHTING MEASURES

Extinguishing media

Suitable extinguishing media

Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

Special hazards arising from the substance or mixture

Carbon oxides, nitrogen oxides (NOx), Hydrogen chloride gas

Advice for firefighters

Wear self contained breathing apparatus for fire fighting if necessary.

- G4505

5.4

6.1

6.2

6.3

6.4

7.1

7.2

7.3

8.1

8.2

Further information

no data available

ACCIDENTAL RELEASE MEASURES

Personal precautions, protective equipment and emergency procedures

Use personal protective equipment. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure

adequate ventilation. Avoid breathing dust.

Environmental precautions

Do not let product enter drains.

Methods and materials for containment and cleaning up

Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed

containers for disposal.

Reference to other sections

For disposal see section 13.

HANDLING AND STORAGE

Precautions for safe handling

Avoid contact with skin and eyes. Avoid formation of dust and aerosols.

Provide appropriate exhaust ventilation at places where dust is formed.Normal measures for preventive fire

protection.

Conditions for safe storage, including any incompatibilities

Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

hygroscopic

Specific end uses

no data available

EXPOSURE CONTROLS/PERSONAL PROTECTION

Control parameters

Components with workplace control parameters

Exposure controls

Appropriate engineering controls

Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and

at the end of workday.

Personal protective equipment

Eye/face protection

Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested

and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Skin protection

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.

The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and

the standard EN 374 derived from it.

Body Protection

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.

Respiratory protection

For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher

level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges.

- G4505

Use respirators and components tested and approved under appropriate government standards

such as NIOSH (US) or CEN (EU).

9.1

PHYSICAL AND CHEMICAL PROPERTIES

Information on basic physical and chemical properties

Appearance

Odour

Odour Threshold

Melting point/freezing

point

Initial boiling point and

boiling range

Flash point

Evaporation rate

Form: crystalline

Colour: white

no data available

4,5 - 6 at 573 g/l at 25 °C

Melting point/range: 180 - 185 °C - lit.

no data available

Flammability (solid, gas) no data available

Upper/lower

flammability or

explosive limits

Vapour pressure

Vapour density

no data available

m) Relative density

1,345 g/cm3 at 20 °C

Water solubility

Partition coefficient: n-

octanol/water

Autoignition

temperature

Decomposition

temperature

Viscosity

Explosive properties

Oxidizing properties

573 g/l at 20 °C - completely soluble

log Pow: -1,7 at ca.20 °C

no data available

9.2

10.

10.1

10.2

10.3

10.4

10.5

Other safety information

no data available

STABILITY AND REACTIVITY

Reactivity

no data available

Chemical stability

no data available

Possibility of hazardous reactions

no data available

Conditions to avoid

no data available

Incompatible materials

Strong oxidizing agents

- G4505

10.6

11.

11.1

Hazardous decomposition products

Other decomposition products - no data available

TOXICOLOGICAL INFORMATION

Information on toxicological effects

Acute toxicity

LD50 Oral - rat - 475 mg/kg

Remarks: Behavioral:Altered sleep time (including change in righting reflex). Behavioral:Excitement.

Diarrhoea

LD50 Oral - mouse - 571 mg/kg

Remarks: Behavioral:Altered sleep time (including change in righting reflex). Behavioral:Muscle contraction

or spasticity. Behavioral:Irritability.

LD50 Oral - rat - 1.120 mg/kg

LC50 Inhalation - rat - 4 h - 5,3 mg/l

Skin corrosion/irritation

Skin - rabbit - Skin irritation

Serious eye damage/eye irritation

Eyes - rabbit - Irritating to eyes.

Respiratory or skin sensitization

Buehler Test - guinea pig - Did not cause sensitization on laboratory animals.

Germ cell mutagenicity

Not mutagenic in Ames Test.

Carcinogenicity

IARC:

No component of this product present at levels greater than or equal to 0.1% is identified as

probable, possible or confirmed human carcinogen by IARC.

Reproductive toxicity

no data available

Specific target organ toxicity - single exposure

no data available

Specific target organ toxicity - repeated exposure

no data available

Aspiration hazard

no data available

Potential health effects

Inhalation

Ingestion

Skin

Eyes

May be harmful if inhaled. Causes respiratory tract irritation.

Harmful if swallowed.

May be harmful if absorbed through skin. Causes skin irritation.

Causes serious eye irritation.

Signs and Symptoms of Exposure

To the best of our knowledge, the chemical, physical, and toxicological properties have not been

thoroughly investigated.

Additional Information

RTECS: MF4300000

12.

12.1

ECOLOGICAL INFORMATION

Toxicity

Toxicity to fish

LC50 - Leuciscus idus (Golden orfe) - 1.759 mg/l

12.2

Persistence and degradability

Biodegradability

- G4505

Result: - Not readily biodegradable.

12.3

12.4

12.5

12.6

13.

13.1

14.

14.1

Bioaccumulative potential

no data available

Mobility in soil

no data available

Results of PBT and vPvB assessment

no data available

Other adverse effects

no data available

DISPOSAL CONSIDERATIONS

Waste treatment methods

Product

Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed

professional waste disposal service to dispose of this material. Dissolve or mix the material with a

combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.

Contaminated packaging

Dispose of as unused product.

TRANSPORT INFORMATION

UN number

14.2

14.3

14.4

14.5

14.6

15.

ADR/RID: -

UN proper shipping name

ADR/RID:

Not dangerous goods

IMDG:

Not dangerous goods

IATA:

Not dangerous goods

Transport hazard class(es)

ADR/RID: -

Packaging group

ADR/RID: -

Environmental hazards

ADR/RID: no

Special precautions for user

no data available

REGULATORY INFORMATION

IMDG: -

IMDG Marine pollutant: no

IATA: -

IATA: no

This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.

15.1

15.2

16.

Safety, health and environmental regulations/legislation specific for the substance or mixture

no data available

Chemical Safety Assessment

no data available

OTHER INFORMATION

Further information

The above information is believed to be correct but does not purport to be all inclusive and
shall be used only as a guide. The information this document is based on the resent state
of our knowledge and is applicable to the product with regard to appropriate safety precautions.
It does not represent any guarantee of the properties of the product. Lookchem shall not be
held liable for any damage resulting from handling or from contact with the above product.
See reverse side of invoice or packing slip for additional terms and conditions of sale.

- G4505

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