Lithium chromate

129.8757

129.95200

238-244-7

5UR77B9Q8M

3077

DTXSID8065749

Yellow crystalline powder

80.3

-0.47520

yellow crystal

2.15 g/cm³

75 °C (decomp)

H2O: 94.6 g/L at 25 ºC

Store in a secure poison location. Prior to working with this chemical you should be trained on its proper handling and storage. A regulated, marked area should be established where this chemical is handled, used, or stored in compliance with OSHA Standard 1910.1045. Store in tightly closed containers in a cool, well-ventilated area away from acids, hydrazine, chromic acid, combustible materials, sulfur, aluminum, plastics, and reducing agents.

Odorless

Lithium chromate is an oxidizing agent. Can oxidize combustibles. Combining the chromate with zirconium can be explosive given the right proportions of reactants.|Yellow crystal powder. Deliquescent; becomes anhydrous at 74.6 °C; very soluble in water /Lithium chromate dihydrate/|Eutectic with water below -60 °C|Decomposes at 75 °C /Lithium chromate dihydrate/|Soluble in water and in alcohols /Lithium chromate dihydrate/

Deliquescent. Water soluble

Salts, Basic

Strong Oxidizing Agent

LITHIUM CHROMATE is an oxidizing agent. Can oxidize combustibles (USCG, 1999). Combining the chromate with zirconium can be explosive given the right proportions of reactants, [Z. Anorg., 1930, 191, 113].

Not flammable (USCG, 1999)

III

6.1(b)

1479

8-43-49-50/53

17-36/37/39-53-60-61-45

T,N

P201, P202, P260, P261, P264, P270, P271, P272, P280, P281, P284, P285, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P304+P341, P305+P351+P338, P308+P313, P310, P312, P314, P320, P321, P322, P330, P333+P313, P342+P311, P363, P403+P233, P405, P501

H301

Generators of waste (equal to or greater than 100 kg/mo) containing this contaminant, EPA hazardous waste number D007, must conform with USEPA regulations in storage, transportation, treatment and disposal of waste. /Chromium/|SRP: Wastewater from contaminant suppression, cleaning of protective clothing/equipment, or contaminated sites should be contained and evaluated for subject chemical or decomposition product concentrations. Concentrations shall be lower than applicable environmental discharge or disposal criteria. Alternatively, pretreatment and/or discharge to a permitted wastewater treatment facility is acceptable only after review by the governing authority and assurance that "pass through" violations will not occur. Due consideration shall be given to remediation worker exposure (inhalation, dermal and ingestion) as well as fate during treatment, transfer and disposal. If it is not practicable to manage the chemical in this fashion, it must be evaluated in accordance with EPA 40 CFR Part 261, specifically Subpart B, in order to determine the appropriate local, state and federal requirements for disposal.|The following wastewater treatment technology has been investigated for chromium: Concentration process: Biological Treatment. /Chromium/|The following wastewater treatment technology has been investigated for chromium: Concentration process: Chemical Precipitation. /Chromium/|For more Disposal Methods (Complete) data for LITHIUM CHROMATE (9 total), please visit the HSDB record page.

An oxidizer; strong reaction with hydrazine, chromic acid, sulfur, reducing agents, combustibles, organic materials, acids.|Attacks plastics and aluminum.|Combustible, organic, or other readily oxidizable materials (paper, wood, sulfur, aluminum, plastics, etc.); corrosive to metals. /Chromic acid and chromates/|Hydrazine is decomposed explosively by chromates and chromic anhydride. /Chromates/

DHHS/ATSDR; Toxicological profile for chromium (September 2012).[DHHS/ATSDR; Toxicological profile for chromium (September 2012); Available from, as of February 8, 2016: ww.atsdr.cdc.gov/toxprofiles/tp7.pdf]

|Danger|H301 (38.81%): Toxic if swallowed [Danger Acute toxicity, oral]|P201, P202, P260, P261, P264, P270, P271, P272, P273, P280, P281, P284, P285, P301+P310, P302+P352, P304+P340, P304+P341, P308+P313, P310, P312, P314, P320, P321, P322, P330, P333+P313, P342+P311, P363, P391, P403+P233, P405, and P501|Aggregated GHS information provided by 67 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H301: Toxic if swallowed [Danger Acute toxicity, oral]|P201, P202, P260, P261, P264, P270, P271, P272, P280, P281, P284, P285, P301+P310, P301+P330+P331, P302+P352, P303+P361+P353, P304+P340, P304+P341, P305+P351+P338, P308+P313, P310, P312, P314, P320, P321, P322, P330, P333+P313, P342+P311, P363, P403+P233, P405, and P501

Approved filter-type respirator, close-fitting safety goggles, laboratory coat. (USCG, 1999)|Wear protective gloves and clothing to prevent any reasonable probability of skin contact.|Wear dust-proof chemical goggles and face shield unless full face-piece respiratory protection is worn.|Employees should wash immediately with soap when skin is wet or contaminates. Provide emergency showers and eyewash.|Impervious gloves, aprons, and footwear shall be worn at operations where solutions of chromium (VI) may contact the skin. Protective gloves shall be worn at operations where dry compounds of chromium (VI) are handled and may contact the skin. /Cr(VI)/|For more Personal Protective Equipment (PPE) (Complete) data for LITHIUM CHROMATE (11 total), please visit the HSDB record page.

If material involved in fire: Extinguish fire using agent suitable for type of surrounding fire (Material itself does not burn or burns with difficulty.)|Use extinguising agents suitable for surrounding fire.|Containers may explode in a fire. From a secure, explosion-proof location, use water spray to cool exposed containers. If cooling streams are ineffective venting sound increases in volume and pitch, tank discolors, or shows any signs of deforming), withdraw immediately to a secure position.|The only respirators recomended for firefighting are self-contained breathing apparatuses that have full face-pieces and are operated in a pressure-demand or other positive-pressure mode.|/When fire fighting wear/ self-contained breathing apparatus, with a full facepiece, operated in pressure-demand or other positive pressure mode. /Chromic acid & chromates/

Environmental considerations: Land Spill: Dig a pit, pond, lagoon, holding area to contain liquid or solid material. /SRP: If time permits, pits, ponds, lagoons, soak holes, or holding areas should be sealed with an impermeable flexible membrane liner./ Cover solids with a plastic sheet to prevent dissolving in rain or fire fighting water.|Environmental considerations: Water Spill: Neutralize with agricultural lime (CaO), crushed limestone (CaCO3), or sodium bicarbonate (NaHCO3). Add soda ash (NaCo3). Adjust pH to neutral (pH=7).|Spill handling: Evacuate persons not wearing protective equipment from area of spill or leak until cleanup is complete. Remove all ignition sources. Collect powdered material in the most convenient and safe manner and deposit in sealed containers. Ventilate area after cleanup is complete. It may be necessary to contain and dispose of this chemical as a hazardous waste. If material or contaminated runoff enters waterways, notify downstream users of potentially contaminated waters.|Cr(VI) cmpd in waste sludge are completely removed by redn by carbon at 600 °C. /Chromium VI/|Persons not wearing protective equipment and clothing should be restricted from areas of spills until cleanup has been completed. If chromic acid or chromates are spilled, the following steps should be taken: 1. Ventilate area of spill. 2. Collect spilled material in the most convenient and safe manner and deposit in sealed containers for reclamation or for disposal in a secured sanitary landfill. Liquid containing chromic acid or chromates should be absorbed in vermiculite, dry sand, earth, or a similar material. /Chromic acid and chromates/

SRP: The scientific literature for the use of contact lenses by industrial workers is inconsistent. The benefits or detrimental effects of wearing contact lenses depend not only upon the substance, but also on factors including the form of the substance, characteristics and duration of the exposure, the uses of other eye protection equipment, and the hygiene of the lenses. However, there may be individual substances whose irritating or corrosive properties are such that the wearing of contact lenses would be harmful to the eye. In those specific cases, contact lenses should not be worn. In any event, the usual eye protection equipment should be worn even when contact lenses are in place.|If material not involved in fire: Keep material out of water sources and sewers. Build dikes to contain flow as necessary.|Personnel protection: Keep upwind. ... Avoid breathing vapors or dusts. Wash away any material which may have contacted the body with copious amounts of water or soap and water.|SRP: Contaminated protective clothing should be segregated in a manner such that there is no direct personal contact by personnel who handle, dispose, or clean the clothing. The completeness of the cleaning procedures should be considered before the decontaminated protective clothing is returned for reuse by the workers. Contaminated clothing should not be taken home at the end of shift, but should remain at employee's place of work for cleaning.|For more Preventive Measures (Complete) data for LITHIUM CHROMATE (7 total), please visit the HSDB record page.

Contact causes severe skin and eye irritation and burns. Inhalation can irritate the nose and throat causing coughing and wheezing.|Chromic acid mist & chromate dusts may cause severe irritation of the nose, throat, bronchial tubes, and lung. /Chromic acid mist & chromate dusts/

Permissible Exposure Limit: Table Z-1 8-hr Time Weighted Avg: 1 mg/cu m. /Chromium metal and insoluble salts, as Cr/|Permissible Exposure Limit: Table Z-1 8-hr Time Weighted Avg: 0.5 mg/cu m. /Chromium(II) compounds, as Cr/|Permissible Exposure Limit: Table Z-1 8-hr Time Weighted Avg: 0.5 mg/cu m. /Chromium(III) compounds, as Cr/|Permissible Exposure Limit: Table Z-2 Acceptable Ceiling Concentration: 1 mg/10 cu m. /Chromic acid and chromates (as CrO3)/

Recommended Exposure Limit: 8-hour Time-Weighted Average: 0.5 mg Cr/cu m. /Chromium metal, chromium(II) and chromium(III) compounds/|Recommended Exposure Limit: 8-hour Time-Weighted Average: 0.0002 mg Cr(VI)/cu m. NIOSH considers all Cr(VI) compounds (including chromic acid, tert-butyl chromate, zinc chromate, and chromyl chloride) to be potential occupational carcinogens. /All hexavalent chromium (Cr(VI) compounds/|NIOSH usually recommends that occupational exposures to carcinogens be limited to the lowest feasible concentration. /Chromic acid and chromates/

... Substances for which a Federal Register notice has been published that included consideration of the serious health effects, including cancer, from ambient air exposure to the substance. Chromium is included on this list. /Chromium/|Listed as a hazardous air pollutant (HAP) generally known or suspected to cause serious health problems. The Clean Air Act, as amended in 1990, directs EPA to set standards requiring major sources to sharply reduce routine emissions of toxic pollutants. EPA is required to establish and phase in specific performance based standards for all air emission sources that emit one or more of the listed pollutants. Chromium compounds is included on this list. /Chromium compounds/

D007; A waste containing chromium may or may not be characterized as a hazardous waste following testing by the Toxicity Characteristic Leaching Procedure as prescribed by the Resource Conservation and Recovery Act (RCRA) regulations. /Chromium/

Persons in charge of vessels or facilities are required to notify the National Response Center (NRC) immediately, when there is a release of this designated hazardous substance, in an amount equal to or greater than its reportable quantity of 10 lb or 4.54 kg. The toll free number of the NRC is (800) 424-8802. The rule for determining when notification is required is stated in 40 CFR 302.4 (section IV.D.3.b).

D007; A solid waste containing chromium may or may not become characterized as a hazardous waste when subjected to the Toxicity Characteristic Leaching Procedure listed in 40 CFR 261.24, and if so characterized, must be managed as a hazardous waste. /Chromium/

IDENTIFICATION AND USE: Lithium chromate is a yellow crystalline powder. It is used as corrosion inhibitor in alcohol-based antifreezes and water-cooled reactors. It is also used as oxidizing agent for organic material, especially in the presence of light; heat-transfer medium. HUMAN EXPOSURE AND TOXICITY: There is no data available. ANIMAL STUDIES: There is no data available.

INHALATION: Corrosive to skin and mucous membranes causing dermatitis and slow healing ulcers. EYES: Conjunctivitis and lacrimation. INGESTION: Violent gastroenteritis, peripheral vascular collapse, vertigo, muscle cramps, coma, hemorrhagic diathesis, fever, liver damage and renal failure. (USCG, 1999)|Carcinogens

Call a doctor. INHALATION: Move to fresh air. EYES: Hold lids open and flush immediately with a slow stream of water. Continue for 10 to 15 minutes. SKIN: Wash with large amounts of water then apply a paste of sodium bicarbonate. INGESTION: Drink copious amounts of water. Administer a neutralizer like milk of magnesia, calcium hydroxide, etc. Do not induce vomiting. Call a physician. (USCG, 1999)

Immediate first aid: Ensure that adequate decontamination has been carried out. If patient is not breathing, start artificial respiration, preferably with a demand valve resuscitator, bag-valve-mask device, or pocket mask, as trained. Perform CPR if necessary. Immediately flush contaminated eyes with gently flowing water. Do not induce vomiting. If vomiting occurs, lean patient forward or place on left side (head-down position, if possible) to maintain an open airway and prevent aspiration. Keep patient quiet and maintain normal body temperature. Obtain medical attention. /Lithium and Related Compounds/|Basic treatment: Establish a patent airway (oropharyngeal or nasopharyngeal airay, if needed). Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if necessary. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for pulmonary edema and treat if necessary ... . Monitor for shock and treat if necessary ... . Anticipate seizures and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with 0.9% saline (NS) during treatment ... . Do not use emetics. For ingestion, rinse mouth and administer 5 mL/kg up to 200 mL of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool ... . Cover skin burns with dry sterile dressings after decontamination ... . /Lithium and Related Compounds/|Advanced treatment: Consider orotracheal or nasotracheal intubation for airway control in the patient who is unconscious, has severe pulmonary edema, or is in severe respiratory distress. Positive-pressure ventilation techniques with a bag-valve-mask device may be beneficial. Consider drug therapy for pulmonary edema ... . Monitor cardiac rhythm and treat arrhythmias if necessary ... . Start IV administration of D5W TKO. Use 0.9% saline (NS) or lactated Ringer's (LR) if signs of hypovolemia are present. For hypotension with signs of hypovolemia, administer fluid cautiously. Consider vasopressors if patient is hypotensive with a normal fluid volume. Watch for signs of fluid overload ... . Treat seizures with diazepam (Valium) or lorazepam (Ativan) ... . Use proparacaine hydrochloride to assist eye irrigation ... . /Lithium and Related Compounds/|/SRP:/ Immediate first aid: Ensure that adequate decontamination has been carried out. If patient is not breathing, start artificial respiration, preferably with a demand-valve resuscitator, bag-valve-mask device, or pocket mask, as trained. Perform CPR as necessary. Immediately flush contaminated eyes with gently flowing water. Do not induce vomiting. If vomiting occurs, lean patient forward or place on left side (head-down position, if possible) to maintain an open airway and prevent aspiration. Keep patient quiet and maintain normal body temperature. Obtain medical attention. /Inorganic acids and related compounds/|For more Antidote and Emergency Treatment (Complete) data for LITHIUM CHROMATE (6 total), please visit the HSDB record page.

35% solution grade

Chromic acid (H2CrO4), lithium salt (1:2): ACTIVE|During reduction of lithium chromate at 450-600 °C, a considerable excess of zirconium must be used to avoid an explosion.

Health Hazards -> Carcinogens