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Section 1:  Identification

Product Name:




Recommended Use:

Laboratory chemical

Restrictions on Use:

Do not ingest or allow to come in contact with skin or eyes

Company Identification:



975 E. Orangefair Lane, Anaheim, Ca 92801

Non-emergency Assistance:


Emergency 24 Hour Assistance:

ChemTel 1-800-255-3924 (Contract Number MIS8057228)


Section 2:  Hazard(s) Identification

Hazard Classification:

Acute toxicity, oral

Category 4

Skin corrosion/irritation

Category 1

Serious eye damage/eye irritation

Category 1

Sensitization, respiratory

Category 1

Specific target organ toxicity, single exposure

Category 1 (respiratory system)

Specific target organ toxicity, repeated exposure

Category 1 (respiratory system, teeth)

Signal Word:


Hazard Statement(s):

Harmful if swallowed or inhaled. May cause respiratory irritation. Causes eye damage. Causes skin burns


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Precautionary statement(s):

Avoid contact with eyes, skin, and clothing. Avoid breathing vapor. Avoid prolonged or repeated exposure. Use with adequate ventilation. Wash thoroughly after handling. Give several glasses of water or milk and do NOT induce vomiting. Never give anything by mouth to an unconscious person. INHALATION: Remove to fresh air. Give artificial respiration if not breathing. If breathing is difficult, have trained person administer oxygen. SKIN CONTACT: Immediately flush with cool, running water for at least 15 minutes. EYE CONTACT: While holding lids gently, but firmly apart, irrigate eyes with cool, clear running water for several minutes. Store bottles tightly capped and upright. Store in well-ventilated place. Store locked up. Dispose of contents and container in accordance with all local, regional, national, and international regulations.


Section 3: Composition/Information on Ingredients

Chemical Name


Weight %

Hydrochloric Acid



o-Tolidine dihydrochloride




Section 4: First-Aid Measures

Emergency and First Aid Procedures:

In all cases of exposure, obtain medical attention immediately. Causes severe skin burns and eye damage. Possible inflammation of the respiratory tract. Caustic burns/corrosion of the skin. Causes serious eye damage. Nausea. Vomiting. Irritation of the gastric/intestinal mucosa. Diarrhea. Affection/discoloration of the teeth. Never give anything by mouth to an unconscious person. If you feel unwell, seek medical advice.

If in eyes:

Immediately flush eyes with plenty of water for at least 15 minutes while holding lids gently, but firmly, apart. Lift upper and lower lids occasionally to ensure thorough flushing. Prompt action is necessary to minimize possibility of blindness.

If on skin or clothing:

Flood area with water for at least 15 minutes. Remove contaminated clothing and shoes. Wash clothing and clean shoes thoroughly before reuse.

If inhaled:

Remove person to fresh air. If breathing has stopped, perform cardio-pulmonary resuscitation. Have oxygen available for administration by a trained person if breathing is difficult.

If swallowed:

Never give anything by mouth to an unconscious person. Do NOT induce vomiting. Immediately obtain medical care.



Section 5: Fire-Fighting Measures

Flash Point:



Not considered to be a fire or explosive hazard.

Products of combustion:

None known.

Extinguishing Media:

Use water-spray, dry powder, sand, foam, or CO2. Tailor extinguishing media to surrounding fire. Do not use a heavy water stream.

Protective equipment and precautions for firefighters:

Wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full facepiece operated in the pressure demand or other positive pressure mode.


Section 6:  Accidental Release Measures

Personal precautions:

Keep unnecessary personnel away. Local authorities should be advised if significant spillages cannot be contained. Wear appropriate protective equipment and clothing during clean-up. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Keep people away from and upwind of spill/leak. Keep out of low areas. Ensure adequate ventilation. Avoid inhalation of dust from the spilled material.

Environmental Precautions:

Contact local authorities in case of spillage to drain/aquatic environment. Avoid discharge into drains, water courses, or onto the ground. Avoid release to the environment. Prevent further leakage or spillage if safe to do so. Do not contaminate water.

Containment and cleanup:

Ventilate area and remove all sources of ignition. Wear protective clothing and equipment. Use an absorbent material such as sand, sawdust, or vermiculite to absorb small spills or any leakage that cannot be recovered for recycling.  Wash area thoroughly with water after recovering released material. For waste disposal, see section 13 of the SDS.


Section 7:  Handling and Storage

Safe handling:

In case of insufficient ventilation, wear suitable respiratory equipment. Do not breathe mist or vapor. Do not get this material in contact with eyes. Do not get this material in contact with skin. Do not taste or swallow. Do not get this material on clothing. Avoid prolonged exposure. When using, do not eat, drink or smoke. Wash hands thoroughly after handling. Avoid release to the environment. Do not empty into drains.

Safe storage:

Store bottles tightly capped and upright. Keep in a cool place away from direct sunlight.


Section 8:  Exposure Controls/Personal Protection

Exposure limits (Hydrogen Chloride):

OSHA PEL (Permissible Exposure Limit):  5 ppm; 7 mg/m3 (TWA)

ACGIH(American Conference of Governmental Industrial Hygienists)TLV(Short Term):2 ppm;2.98 mg/m3 (TWA)

Exposure limits (o-Tolidine dihydrochloride):

OSHA PEL (Permissible Exposure Limit):  No data

ACGIH (American Conference of Governmental Industrial Hygienists) TLV (Short Term):  No data

Engineering controls:

Use in a well ventilated area. Ensure that eyewash stations and safety showers are close to the workstation.

Personal protective equipment:

Chemical resistant gloves, protective clothing, chemical safety glasses, face protection. In case of insufficient ventilation, wear suitable respiratory equipment.


Section 9:  Physical and Chemical Properties


Chalky suspension



Upper/lower flammability or explosive limits:


Partition coefficient: n-octanol/water:



Acidic Smell

Flash point:


Vapor pressure:


Evaporation rate:


Odor threshold:


Flammability (solid, gas):


Melting point/freezing point:


Decomposition temperature:




Auto-ignition temperature:


Relative density (Specific Gravity):


Boiling point and boiling range:


Vapor density:





Section 10:  Stability and Reactivity


Stable under recommended storage conditions.

Conditions to avoid:

Light.  Avoid contact with acids, metals, and oxidizers.

Hazardous decomposition products:


Hazardous polymerizations:

Hazardous polymerization will not occur.


Section 11:  Toxicological Information

Routes of exposure:

Inhalation, ingestion, skin and eye contact

Acute Toxicity(Hydrogen Chloride):

Oral Toxicity (LD50), oral, rat: 900 mg/kg       Dermal Toxicity (LD50), oral, rabbit: no data

LC50 Inhalation: 3124 ppm/ 1 hr

Acute Toxicity(o-Tolidine dihydrochloride):

Oral Toxicity (LD50), oral, rat: 404 mg/kg       Dermal Toxicity (LD50), oral, rabbit: No data

LC50 Inhalation: no data

Effects from short- and long-term exposure:

Cause severe skin burns and eye damage. May cause allergy or asthma symptoms or breathing difficulties if inhaled. Irritating to skin. Causes damage to organs (respiratory system, teeth) through prolonged or repeated exposure.


This product contains a component that has been reported to be possibly carcinogenic based on its IARC, ACGIH, NTP, or EPA classification.


No known significant effects or critical hazards.


Section 12: Ecological Information

Aquatic toxicity:

Do not empty into drains.

Persistence and degradability:

No data available.

Bioaccumulation potential:

No data available.

Mobility in soil:

No data available.


Section 13: Disposal Considerations

The generation of waste should be avoided or minimized wherever possible.  Material and contaminated packaging should be disposed of in accordance with all local, state, and federal regulations(regulations vary by region). Avoid release into soil, sewers, drains, and waterways.


Section 14: Transport Information


Hydrochloric Acid Solution, 8, UN1760, PG II.  Limited Quantity One liter or less


Other Information:

SDS revision date:


The statements contained herein are offered as informational data only and are believed to be correct.  However, this product should be handled by persons having related technical skills, and at their own discretion and risk.  Since seller has no control over the use of this product, no warranty, expressed or implied, is made and seller assumes no liability in connection with any use of this information or from contact and/or handling of this product.

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Last modified: April 26, 2018