CAS No. 7784-02-3

Chemical Identifiers

Linear Formula Ag2Cr2O7
Pubchem CID 9932493
MDL Number MFCD00046159
EC No. 232-044-3
IUPAC Name disilver; oxido-(oxido(dioxo)chromio)oxy-dioxochromium
Beilstein/Reaxys No. N/A
SMILES [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[Ag+].[Ag+]
InchI Identifier InChI=1S/2Ag.2Cr.7O/q2*+1;;;;;;;;2*-1
InchI Key FCSCTLGIPUOGOC-UHFFFAOYSA-N

Health & Safety Information

Signal Word Danger
Hazard Statements H300-H312-H314-H272-H332-H335
Hazard Codes O,T
Risk Codes 49-8-43-50/53
Safety Statements 53-17-45-60-61
RTECS Number N/A
Transport Information UN 3086 6.1, 5.1/PG I
WGK Germany 3
GHS Pictograms

View and Print SDS

SAFETY DATA SHEET

Date Accessed: 05/09/2024
Date Revised: 01/15/2022

SECTION 1. IDENTIFICATION

Product Identifiers: All applicable American Elements product codes for CAS #7784-02-3

Relevant identified uses of the substance: Scientific research and development

Supplier details:
American Elements
10884 Weyburn Ave.
Los Angeles, CA 90024
Tel: +1 310-208-0551
Fax: +1 310-208-0351

Emergency telephone number:
Domestic, North America +1 800-424-9300
International +1 703-527-3887


SECTION 2. HAZARDS IDENTIFICATION

Statements of Hazard: Oxidizer, Toxic
Acute Health Hazard: Irritant to eyes, skin, mucous membranes and
respiratory system. May be fatal by ingestion and
harmful by inhalation or skin absorption.
Chronic Health Hazard: Not Available
HMIS Rating: H:3 F:0 P:2
NFPA Rating: H:3 F:0 R:2
To the best of our knowledge, the toxicological properties of this chemical have not
been thoroughly investigated. Use appropriate procedures and precautions to prevent
or minimize exposure.

Exclamation Mark - GHS07Flame Over Circle - GHS03Skull and Crossbones - GHS06

Pictogram:
Signal Word: Danger
Hazard Statement(s): H300 Fatal if swallowed
H312 Harmful in contact with skin
H314 Causes severe skin burns and eye damage
H272 May intensify fire; oxidizer.
H332 Harmful if inhaled
H335 May cause eye irritation
Precautionary Statement(s): P220 Keep/Store away from clothing/combustible
materials.
P261 Do not breathe dust/fume/gas/mist/vapors/
spray
P264 Wash skin thoroughly after handling
P280 Wear protective gloves/protective clothing/eye
protection/face protection.
P301+P310 IF SWALLOWED: Immediately call a
POISON CENTER or doctor/physician.
P302+P352 IF ON SKIN: Wash with plenty of soap
and water.
P304+P340 IF INHALED: Remove victim to fresh air
and keep at rest in a position comfortable for
breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously
with water for several minutes. Remove contact
lenses, if present and easy to do. Continue rinsing
P309+P311 IF exposed or if you feel unwell: call a
POISON CENTER or doctor/physician
P332+P313 If skin irritation occurs: Get medical
advice/ attention.


SECTION 3. COMPOSITION/INFORMATION ON INGREDIENTS

Chemical Name: Silver dichromate
Synonyms: Not Available
CAS Number: 7784-02-3
MDL Number: MFCD00046159
EINECS Number: 232-044-3
Beilstein Registry Number: Not Available
Molecular Formula: Ag2Cr2O7
Molecular Weight: 431.72
Content: 99%


SECTION 4. FIRST AID MEASURES

Eye Contact: Flush eyes with large amounts of water for fifteen
minutes. Separate eyelids with fingers. If irritation
persists, seek medical attention.
Skin Contact: Wash skin with soap and water. If irritation persists,
seek medical attention.
Ingestion: Do not induce vomiting. Seek medical attention.
Inhalation: Move to a fresh air environment. Contact a physician
if breathing becomes difficult.


SECTION 5. FIREFIGHTING MEASURES

Flash Point: Not Available
Explosion Limits: Lower: Not Available
Upper: Not Available
Autoignition: Not Available
Extinguishing Media: Carbon dioxide, dry chemical powder, alcoholresistant
foam or water spray.
Protective Equipment: Wear self-contained respirator and fully protective
impervious suit.
Specific Hazards: May emit hazardous fumes under fire conditions.


SECTION 6. ACCIDENTAL RELEASE MEASURES

Personal Protection: Wear a self-contained breathing apparatus, rubber
boots and gloves, and disposable coveralls. Dispose of
coveralls after use.
Keep unprotected persons away.
Environmental Protection: Keep spills out of sewers and bodies of water. Dike
and contain the spill with inert material. Absorb on
sand, vermiculite or diatomite. Transfer material to a
container for disposal or recovery. Ventilate area and
wash spill site after material pickup is complete.


SECTION 7. HANDLING AND STORAGE

Handling: Avoid breathing dust, vapor, mist or gas. Avoid
contact with skin and eyes. Avoid prolonged or
repeated exposure. Use only in a chemical fume
hood. Open and handle container with care. Keep
ignition sources away.
Storage: Store in a tightly closed container in a dry, wellventilated
place.
Sensitivities: Not Available
Storage Temperature: 15 – 30 ºC


SECTION 8. EXPOSURE CONTROLS/PERSONAL PROTECTION

Eyes: Wear appropriate protective eyeglass or chemical
safety goggles. Make sure that there is an eyewash
facility in your vicinity.
Skin: Wear impervious gloves and protective clothing.
Respiratory: Use a NIOSH approved respirator when exposure
limits are exceeded or if irritation or other symptoms
are experienced.
Exposure Limits: Country Source Type Value
USA ACGIH TWA Not Available
USA OSHA STEL Not Available
USA OSHA PEL Not Available


SECTION 9. PHYSICAL AND CHEMICAL PROPERTIES

Appearance: Solid
Odor: Not Available
Melting Point: Not Available
Boiling Point: Not Available
pH Value: Not Available
Density: Not Available
Refractive Index, n20
D: Not Available
Viscosity: Not Available
Solubility in Water: Not Available
Vapor Pressure: Not Available
Vapor Density: Not Available


SECTION 10. STABILITY AND REACTIVITY

Stability: Stable under normal temperatures and pressures.
Incompatibility: Strong oxidizing agents and reducing agents.
Conditions to Avoid: Heat, Flame, Sparks, other ignition sources
Hazardous Decomposition Products: Carbon oxides


SECTION 11. TOXICOLOGICAL INFORMATION

RTECS Reference: Not Available
Target Organs: Not Available
Toxicity Data: Not Available
Skin corrosion/irritation: Not Available
Serious eye damage/irritation: Not Available
Carcinogenicity: Not Available


SECTION 12. ECOLOGICAL INFORMATION

Toxicity: Not Available


SECTION 13. DISPOSAL CONSIDERATIONS

Contact a licensed professional waste disposal service. Dispose in a manner consistent
with federal, state and local environmental regulations.


SECTION 14. TRANSPORT INFORMATION

DOT Shipping Name: Toxic Solids, Oxidizing, N.O.S.
DOT UN Number: UN3086
DOT Hazard Class: Class 6.1, 5.1
DOT Packing Group: I
IMDG Shipping Name: Toxic Solids, Oxidizing, N.O.S.
IMDG UN Number: UN3086
IMDG Hazard Class: Class 6.1, 5.1
IMDG Packing Group: I
IATA Shipping Name: Toxic Solids, Oxidizing, N.O.S.
IATA UN Number: UN3086
IATA Hazard Class: Class 6.1, 5.1
IATA Packing Group: I


SECTION 15. REGULATORY INFORMATION

United States:
Toxic Substance Control Act (TSCA): Not listed
Superfund Amendments and Reauthorization Act (SARA 302): Not listed
Superfund Amendments and Reauthorization Act (SARA 311/312): Not listed
Superfund Amendments and Reauthorization Act (SARA 313): Not listed
European Union:
European Inventory of Existing Chemical Substances (EINECS): 232-044-3
Hazard Codes: Not Available
Risk Statements: Not Available
Safety Statements: Not Available
Canada
Canadian Domestic Substances List (DSL): Not listed
Canadian Non-Domestic Substances List (NDSL): Not listed


16. OTHER INFORMATION

Safety Data Sheet according to Regulation (EC) No. 1907/2006 (REACH). 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 in this document is based on the present 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. American Elements 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. COPYRIGHT 1997-2022 AMERICAN ELEMENTS. LICENSED GRANTED TO MAKE UNLIMITED PAPER COPIES FOR INTERNAL USE ONLY.