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File Name: espi-metals_com---chromium.asp
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MATERIAL SAFETY DATA SHEET



I PRODUCT IDENTIFICATION

Chromium Chromium Metal
Trade Name: Synonym:
Metallic Element Cr
Chem ical Nature: Form ula:
7440-4 7-3 51.99
CAS N umber: Molecular Weight:


II HAZAR DOUS INGRED IENTS

Haz ardous C omp onents % OSHA/PEL ACGIH/TLV Sec. 302 Sec. 304 Sec. 313
1 m g/m 3 0.5 m g/m 3
Chromium 0-100 No Yes Yes

HM IS Ratings: Hea lth: 2 Flam mab ility: 3 Reactivity: 0 Protective Equipment: F: glasses, gloves, ap ron, du st mask


III PHYSICAL DATA

2672 oC 1857 oC
Boiling Point: Melting Point:
1 mm at 1616 oC
7.19 g/cc
Specific Gravity: Vapor Pressure:
No Data N/A
Vapo r Density: % V olatiles:
Steel gray, lustrous m etal, no odor. Insoluble
Appearance and Odor: Solubility in H 2O:


IV FIRE AND EXPLOSION H AZARDS DATA

Autoignition Temp.: 400 oC (pow der)
Flash Point (Method Used): N/A
Flam mab le Limits: Upper: N/A Lower: N/A

Extingu ishing Media: Non combustible except in powder form use water spray or fog, dry chemical extinguishing agents, carbon
dioxide, dry sand.

Special Fire Fighting Procedures: We ar NIOS H/M SH A approve d self contained breathing apparatus and protective clothing.
Fumes from fire are hazardous. Isolate runoff to prevent environmental pollution.

Unusual Fire & Explosion: Ignites and is potentially explosive in atmospheres of carbon dioxide. Chromium react violently or
explosively when heated with amm onium nitrate and bromine pentafluoride. It has an incandescent reaction with nitrogen oxide or
sulfur dioxide. Powders prepared by evaporation of mercury form chrom ium amalgam m ay be pyrophoric.


V HEALTH HAZARD INFORMATION

Effects of Exposure:

Chrom ium is a con firmed hum an ca rcino gen with experim ental tu mo rigen ic data. Also a huma n po ison b y ing estion with
gastrointestinal effec ts.
Acute E ffects:

Inhalation: Ma y cau se a red , dry th roat.
Ingestion: May cause gastrointestinal disorders.
Skin : May cause abrasive irritation.
Eye: May cause abrasive irritation.

Chro nic Effects:

Inhalation: May cau se histologic fibrosis of lungs, nasal and/or lung cancer.
Ingestion: No chronic health effects recorded.
Skin : No chronic health effects recorded.
Eye: No chronic health effects recorded.

Target Organs: May affect the respiratory system.
Medical Conditions Generally Aggravated by Exposure: Pre-existing respiratory disorders, pulmonary functions and asthma.
Carcino genicity: NTP: Yes IARC: Yes OSHA: Yes

EMERG ENCY AND FIRST AID PROCEDURES:

INHALATION: Remove victim to fresh air. Keep warm and quiet, give oxygen if breathing is difficult and seek medical attention.
INGESTION: Give 1-2 glasses of milk or water and induce vomiting. Seek medical attention immediately. Never induce vomiting
or give anything by mouth to an unconscious person.
SK IN: Remove contaminated clothing, brush material off skin, wash affected area with mild soap and water. Seek medical attention
if sym ptom s persist.
EYE: Flush with lukewarm water, lifting u ppe r and lower eyelids fo r at least 15 m inutes. Seek me dical attention if sym ptom s persist.


VI REACTIVITY DATA

Stability: Stable

Co nditio ns to Av oid: Grinding , crush ing, and m elting m ay produce dust and fum es which ma y req uire control.
Incompatibility (Material to Avoid): Powder incompatible with ammonium nitrate, hydrogen peroxide, nitric oxide, potassium
chlorate, sulfur dioxide, mercury. Otherwise, avoid strong oxidizing agents, ammonium nitrite, bromine pentafluoride and carbon
dioxide.

Haz ardous D ecomposition Produc ts: Toxic chromium oxides fumes
Hazardous Polymerization: Will not occur


VII SPILL OR LEAK PROC EDURES

Steps to be Taken in Case Material is Released or Spilled: We ar appropriate respira tory and protective equipm ent specified in
Section VIII-Special Protection Information. Isolate spill area, provide ventilation and extinguish sources of ignition. Vacuum up
spill usin g a high efficiency particulate absolute (HE PA ) air filter an d place in a closed container for proper disp osal. T ake care n ot to
raise dust. Use non-sparking tools.

Waste Disposal Method: Consu lt Local, State, and Federa l Regu lations for pro per dispo sal proced ures.


VIII SPECIAL PROTECTION INFORMATION

Respiratory Protection (Specify Type): NIOSH/M SHA appro ved respirator for dusts and m ists.
Ventilation: Use local ex haust to m aintain con centration a t or below PEL , TLV levels.

Protective Gloves: Rubber gloves
Eye Protection: Safety glasses
-Chromium 2-
Other Protective Equipment: Protective gear suitable to prevent contamination.


IX SPECIAL PRECAUTIONS

Precautions to Be Taken in Handling and Storage: Store in coo l, dry area. Store in tightly sealed co ntainer. Protect against
physical damage. Store away from acids and oxidizers. Wash thoroughly after handling.

Precautionary Labeling: CAUTIO N! Do not swallow or inhale. Avoid contact with skin and eyes. Wash Thoroug hly after
handling. Keep container closed.

Wo rk Practices: Implement engineering and work practice controls to reduce and maintain concentration of exposure. Use good
housekeeping and sanitation practices. Do not use tobacco or food in work area. Wash thoroughly before eating or smoking. Do not
blow dust off clothing or skin with compressed air. Maintain eyewash capable of sustained flushing, safety drench shower and
facilities for washing.

The above information is accurate to the best of our knowledge. However, since data, safety standards, and government
regulations are subject to change, and the conditions of handling and use or misuse are beyond our control, ESPI makes no warranty,
either expressed or implied, with respect to the completeness or continuing accuracy of the information contained herein, and
disclaims all liability for reliance thereon. Users should satisfy themselves that they have all current data relevant to their particular
use.


Issued by: S. Dierks
Date: June 2002




-Chromium 3-

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