Superiority:

Chemical Safety Data Sheet MSDS / SDS

L-Cysteine hydrochloride monohydrate

Revision Date:2024-08-24Revision Number:1

SECTION 1: Identification of the substance/mixture and of the company/undertaking

Product identifier

• Product name: L-Cysteine hydrochloride monohydrate
• CBnumber: CB9694981
• CAS: 7048-04-6
• EINECS Number: 615-117-8
• Synonyms: L-Cysteine hydrochloride monohydrate,L-Cysteine hydrochloride

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

• Relevant identified uses: For R&D use only. Not for medicinal, household or other use.
• Uses advised against: none

SECTION 2: Hazards identification

GHS Label elements, including precautionary statements

• Symbol(GHS)

• Signal wordWarning

Precautionary statements

P405 Store locked up.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

Hazard statements

H335 May cause respiratory irritation

H319 Causes serious eye irritation

H315 Causes skin irritation

SECTION 3: Composition/information on ingredients

Substance

• Product name: L-Cysteine hydrochloride monohydrate
• Synonyms: L-Cysteine hydrochloride monohydrate,L-Cysteine hydrochloride
• CAS: 7048-04-6
• EC number: 615-117-8
• MF: C3H10ClNO3S
• MW: 175.63

SECTION 4: First aid measures

Description of first aid measures

If inhaled

After inhalation: fresh air.

In case of skin contact

In case of skin contact: Take off immediately all contaminated clothing. Rinse skin with water/ shower.

In case of eye contact

After eye contact: rinse out with plenty of water. Remove contact lenses.

If swallowed

After swallowing: make victim drink water (two glasses at most). Consult doctor if feeling unwell.

Most important symptoms and effects, both acute and delayed

The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in section 11

Indication of any immediate medical attention and special treatment needed

No data available

SECTION 5: Firefighting measures

Extinguishing media

Suitable extinguishing media

Water Foam Carbon dioxide (CO2) Dry powder

Unsuitable extinguishing media

For this substance/mixture no limitations of extinguishing agents are given.

Special hazards arising from the substance or mixture

Carbon oxides Nitrogen oxides (NOx) Sulfur oxides Hydrogen chloride gas Combustible.

Development of hazardous combustion gases or vapours possible in the event of fire.

Advice for firefighters

In the event of fire, wear self-contained breathing apparatus.

Further information

Suppress (knock down) gases/vapors/mists with a water spray jet. Prevent fire extinguishing water from contaminating surface water or the ground water system.

SECTION 6: Accidental release measures

Personal precautions, protective equipment and emergency procedures

Advice for non-emergency personnel: Avoid inhalation of dusts. Evacuate the danger area, observe emergency procedures, consult an expert.

For personal protection see section 8.

Environmental precautions

Do not let product enter drains.

Methods and materials for containment and cleaning up

Cover drains. Collect, bind, and pump off spills. Observe possible material restrictions (see sections 7 and 10). Take up dry. Dispose of properly. Clean up affected area. Avoid generation of dusts.

Reference to other sections

For disposal see section 13.

SECTION 7: Handling and storage

Precautions for safe handling

For precautions see section 2.2.

Conditions for safe storage, including any incompatibilities

Storage conditions

Tightly closed. Dry.

Air and light sensitive.

Specific end use(s)

Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection

control parameter

Hazard composition and occupational exposure limits

Does not contain substances with occupational exposure limits.

Exposure controls

Personal protective equipment

Eye/face protection

Use equipment for eye protection tested and approved under appropriate

government standards such as NIOSH (US) or EN 166(EU). Safety glasses

Respiratory protection

required when dusts are generated.

Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system.

Recommended Filter type: Filter type P1

The entrepeneur has to ensure that maintenance, cleaning and testing of respiratory protective devices are carried out according to the instructions of the producer.

These measures have to be properly documented.

Control of environmental exposure

Do not let product enter drains.

SECTION 9: Physical and chemical properties

Information on basic physicochemical properties

• Appearancesolid
• OdourNo data available
• Odour ThresholdNo data available
• pH1,0 - 2 at 25 g/l
• Melting point/freezing pointMelting point: 176 °C
• Initial boiling point and boiling rangeNo data available
• Flash pointNot applicable
• Evaporation rateNo data available
• Flammability (solid, gas)The product is not flammable. - Flammability (solids)
• Upper/lower flammability or explosive limitsNo data available
• Vapour pressure<0.1 hPa (20 °C)
• Vapour densityNo data available
• Relative densityNo data available
• Water solubility100 g/l at 25 °C
• Partition coefficient: n-octanol/waterNo data available
• Autoignition temperaturedoes not ignite
• Decomposition temperatureNo data available
• ViscosityViscosity, kinematic: No data available Viscosity, dynamic: No data available
• Explosive propertiesNo data available
• Oxidizing propertiesNo data available
• λmaxλ: 260 nm Amax: 1.0
  λ: 280 nm Amax: 0.3

Other safety information

No data available

SECTION 10: Stability and reactivity

Reactivity

The following applies in general to flammable organic substances and mixtures: in correspondingly fine distribution, when whirled up a dust explosion potential may generally be assumed.

Chemical stability

The product is chemically stable under standard ambient conditions (room temperature) .

Possibility of hazardous reactions

No data available

Conditions to avoid

May discolor on exposure to air and light. Exposure to moisture. no information available

Incompatible materials

Strong oxidizing agents, Metals

Hazardous decomposition products

In the event of fire: see section 5

SECTION 11: Toxicological information

Information on toxicological effects

Acute toxicity

LD50 Oral - Rat - female - > 2.000 mg/kg
(OECD Test Guideline 423)
LD50 Dermal - Rat - male and female - > 2.000 mg/kg (OECD Test Guideline 402)

Skin corrosion/irritation

Skin - reconstructed human epidermis (RhE)
Result: No skin irritation - 42 min (OECD Test Guideline 439)

Serious eye damage/eye irritation

Eyes - Bovine cornea
Result: No eye irritation - 4 h (OECD Test Guideline 437)

Respiratory or skin sensitization

(OECD Test Guideline 429)

Germ cell mutagenicity

Test Type: Ames test
Test system: S. typhimurium
Metabolic activation: with and without metabolic activation Result: positive
Remarks: (ECHA)
Test Type: Mutagenicity (mammal cell test): chromosome aberration. Test system: Red blood cells (erythrocytes)
Result: negative Remarks: (ECHA)
Test Type: Micronucleus test Species: Mouse
Cell type: Red blood cells (erythrocytes) Application Route: Intraperitoneal
Result: negative

Carcinogenicity

No data available

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

SECTION 12: Ecological information

Toxicity

 

Toxicity to fish

static test LC50 - Danio rerio (zebra fish) - > 100 mg/l - 96 h (OECD Test Guideline 203)

 

 

Toxicity to daphnia and other aquatic invertebrates

 

static test EC50 - Daphnia magna (Water flea) - > 100 mg/l - 48 h (OECD Test Guideline 202)

 

Toxicity to algae

static test ErC50 - Desmodesmus subspicatus (green algae) - 83 mg/l - 72 h

 

(OECD Test Guideline 201)

 

Toxicity to bacteria

static test EC50 - activated sludge - 360 mg/l - 3 h (OECD Test Guideline 209)

 

Persistence and degradability

Biodegradability aerobic - Exposure time 9 d

Result: 95,5 % - Readily biodegradable. (OECD Test Guideline 301A)

Bioaccumulative potential

No data available

Mobility in soil

No data available

Results of PBT and vPvB assessment

This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

Other adverse effects

No data available

SECTION 13: Disposal considerations

Waste treatment methods

Product

See www.retrologistik.com for processes regarding the return of chemicals and containers, or contact us there if you have further questions.

SECTION 14: Transport information

UN number

ADR/RID: - IMDG: - IATA: -

UN proper shipping name

ADR/RID: Not dangerous goods IMDG: Not dangerous goods IATA: Not dangerous goods

Transport hazard class(es)

ADR/RID: - IMDG: - IATA: -

Packaging group

ADR/RID: - IMDG: - IATA: -

Environmental hazards

ADR/RID: no IMDG Marine pollutant: no IATA: no

Special precautions for user

Further information

Not classified as dangerous in the meaning of transport regulations.

SECTION 15: Regulatory information

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

Regulations on the Safety Management of Hazardous Chemicals

China Catalog of Hazardous chemicals 2015:Not Listed. website: #

Measures for Environmental Management of New Chemical Substances

Chinese Chemical Inventory of Existing Chemical Substances (China IECSC):Listed. website: #

Korea Existing Chemicals List (KECL):Listed. website: //ncis.nier.go.kr

New Zealand Inventory of Chemicals (NZIoC):Listed. website: #

Philippines Inventory of Chemicals and Chemical Substances (PICCS):Listed. website: #

Vietnam National Chemical Inventory:Listed. website: #

EC Inventory:Not Listed.

European Inventory of Existing Commercial Chemical Substances (EINECS):Not Listed. website: #

United States Toxic Substances Control Act (TSCA) Inventory:Not Listed. website: #

SECTION 16: Other information

Abbreviations and acronyms

• ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
• CAS: Chemical Abstracts Service
• EC50: Effective Concentration 50%
• IATA: International Air Transportation Association
• IMDG: International Maritime Dangerous Goods
• LC50: Lethal Concentration 50%
• LD50: Lethal Dose 50%
• RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
• STEL: Short term exposure limit
• TWA: Time Weighted Average

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