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Safety Data Sheet (SDS)

SDS #: 1017
Revision Date: October 19, 2018
SECTION 1 — CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

Guanidine Hydrochloride

Flinn Scientific, Inc. P.O. Box 219, Batavia, IL 60510 (800) 452-1261
Chemtrec Emergency Phone Number: (800) 424-10557
Signal Word
WARNING
SECTION 2 — HAZARDS IDENTIFICATION
Hazard class: Acute toxicity, oral and respiratory (Category 4). Harmful if swallowed or inhaled (H302+H332). Avoid breathing dust (P261), wash skin thoroughly after handling (P264).

Hazard class: Skin irritation (Category 2). Causes skin irritation (H315). Wear protective gloves (P280).

Hazard class: Eye irritation (Category 2A). Causes serious eye irritation (H319). Wear eye protection (P280).
Pictograms
SECTION 3 — COMPOSITION, INFORMATION ON INGREDIENTS
Component Name CAS Number Formula Formula Weight Concentration
Guanidine hydrochloride

Synonyms: Guanidinium chloride, Aminomethanamidine hydrochloride
50-01-1 CH6ClN3 95.53
SECTION 4 — FIRST AID MEASURES
Call a POISON CENTER or physician if you feel unwell.
If inhaled: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
If in eyes: Rinse cautiously with water for at least 15 minutes and consult a physician. Remove contact lenses if present and easy to do so.
If on skin: Wash with soap and plenty of water. Consult a physician
If swallowed: Rinse mouth with water. Call a POISON CENTER or physician.
SECTION 5 — FIRE FIGHTING MEASURES
When involved in a fire this chemical may release: carbon monoxide; carbon dioxide; nitrogen oxides; hydrogen chloride

In case of fire: Use a tri-class dry chemical fire extinguisher.
NFPA Code
None established
SECTION 6 — ACCIDENTAL RELEASE MEASURES
Wipe up the spill, place in a sealed bag or container, and dispose. Wash spill site after material pickup is complete. See Sections 8 and 13 for further information.
SECTION 7 — HANDLING AND STORAGE
Flinn Suggested Chemical Storage Pattern: Organic #2. Store with alcohols, glycols, amines and amides.
Store in a cool, dry place.
SECTION 8 — EXPOSURE CONTROLS, PERSONAL PROTECTION
Avoid breathing dust (P261). Wear protective gloves, protective clothing, and eye protection (P280). Wash hands thoroughly after handling (P264).
SECTION 9 — PHYSICAL AND CHEMICAL PROPERTIES
White crystals or powder.
Soluble: Water and alcohol
Melting point: 180 °C
Specific gravity: 1.345
SECTION 10 — STABILITY AND REACTIVITY
Avoid contact with strong oxidizers. Reacts with sodium hypochlorite or calcium hypochlorite to form the explosive nitrogentrichloride.
Shelf life: Indefinite, if stored properly.
SECTION 11 — TOXICOLOGICAL INFORMATION
Acute effects: Irritant. Harmful if swallowed
Chronic effects: Possible mutagen.
Target organs: N.A.
ORL-RAT LD50: 475 mg/kg
IHL-RAT LC50: 3.181 mg/L
SKN-RBT LD50: N.A.
SECTION 12 — ECOLOGICAL INFORMATION
Toxic to aquatic organisms.
SECTION 13 — DISPOSAL CONSIDERATIONS
Please review all federal, state and local regulations that may apply before proceeding.
Flinn Suggested Disposal Method #26a is one option.
SECTION 14 — TRANSPORT INFORMATION
Shipping name: Not regulated. Hazard class: N/A. UN number: N/A
SECTION 15 — REGULATORY INFORMATION
TSCA-listed, EINECS-listed (200-002-3).
SECTION 16 — OTHER INFORMATION
This Safety Data Sheet (SDS) is for guidance and is based upon information and tests believed to be reliable. Flinn Scientific, Inc. makes no guarantee of the accuracy or completeness of the data and shall not be liable for any damages relating thereto. The data is offered solely for your consideration, investigation, and verification. The data should not be confused with local, state, federal or insurance mandates, regulations, or requirements and CONSTITUTE NO WARRANTY. Any use of this data and information must be determined by the science instructor to be in accordance with applicable local, state or federal laws and regulations. The conditions or methods of handling, storage, use and disposal of the product(s) described are beyond the control of Flinn Scientific, Inc. and may be beyond our knowledge. FOR THIS AND OTHER REASONS, WE DO NOT ASSUME RESPONSIBILITY AND EXPRESSLY DISCLAIM LIABILITY FOR LOSS, DAMAGE OR EXPENSE ARISING OUT OF OR IN ANY WAY CONNECTED WITH THE HANDLING, STORAGE, USE OR DISPOSAL OF THIS PRODUCT(S).
Consult your copy of the Flinn Science Catalog/Reference Manual for additional information about laboratory chemicals.