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MSDS Material Safety Data Sheet
CAS

7440-56-4

File Name: 7440-56-4.asp

                              SIGMA-ALDRICH

Material Safety Data Sheet

Date Printed: 13/JUN/2005
Date Updated: 13/MAR/2004
Version 1.3
According to 91/155/EEC

Classified as Hazardous according to the criteria of EU Annex 1 and
NOHSC.

1 - Product and Company Information

Product Name GERMANIUM, POWDER, -100 MESH, 99.999+%
Product Number 327395

Company Sigma-Aldrich Pty. Ltd.
12 Anella Avenue
Castle Hill NSW 2154
Australia
Technical Phone # +61 2 9841 0555 (1800 800 097)
Fax +61 2 9841 0500 (1800 800 096)
Emergency Phone # +44 8701906777 (1800 448 465)

2 - Composition/Information on Ingredients

Product Name CAS # EC no Annex I
Index Number
GERMANIUM 7440-56-4 231-164-3 None

Formula Ge
Molecular Weight 72.59 AMU
Synonyms Germanium element

3 - Hazards Identification

SPECIAL INDICATION OF HAZARDS TO HUMANS AND THE ENVIRONMENT
Irritating to eyes, respiratory system and skin.


4 - First Aid Measures

AFTER INHALATION
If inhaled, remove to fresh air. If not breathing give
artificial respiration. If breathing is difficult, give oxygen.

AFTER SKIN CONTACT
In case of skin contact, flush with copious amounts of water for
at least 15 minutes. Remove contaminated clothing and shoes.
Call a physician.

AFTER EYE CONTACT
In case of contact with eyes, flush with copious amounts of
water for at least 15 minutes. Assure adequate flushing by
separating the eyelids with fingers. Call a physician.

AFTER INGESTION
If swallowed, wash out mouth with water provided person is
conscious. Call a physician.

5 - Fire Fighting Measures
EXPLOSION DATA
Dust Potential: This material, like most materials in powder
form, is capable of creating a dust explosion.

EXTINGUISHING MEDIA
Suitable: Dry chemical powder.

SPECIAL RISKS
Specific Hazard(s): Flammable solid. Emits toxic fumes under
fire conditions.

SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
Wear self-contained breathing apparatus and protective clothing
to prevent contact with skin and eyes.

6 - Accidental Release Measures

PERSONAL PRECAUTION PROCEDURES TO BE FOLLOWED IN CASE OF LEAK OR SPILL
Evacuate area. Shut off all sources of ignition. Use nonsparking
tools.

PROCEDURE(S) OF PERSONAL PRECAUTION(S)
Wear self-contained breathing apparatus, rubber boots, and heavy
rubber gloves.

METHODS FOR CLEANING UP
Sweep up, place in a bag and hold for waste disposal. Avoid
raising dust. Ventilate area and wash spill site after material
pickup is complete.

7 - Handling and Storage

HANDLING
Directions for Safe Handling: Avoid contact with eyes, skin, and
clothing. Avoid breathing dust. Avoid prolonged or repeated
exposure.

STORAGE
Conditions of Storage: Keep container closed. Keep away from
heat, sparks, and open flame.

8 - Exposure Controls / Personal Protection

ENGINEERING CONTROLS
Safety shower and eye bath. Use nonsparking tools. Mechanical
exhaust required.

GENERAL HYGIENE MEASURES
Wash thoroughly after handling.

PERSONAL PROTECTIVE EQUIPMENT
Respiratory Protection: Government approved respirator.
Hand Protection: Compatible chemical-resistant gloves.
Eye Protection: Chemical safety goggles.

9 - Physical and Chemical Properties

Appearance Physical State: Solid
Color: Grey
Form: Powder



ALDRICH - 327395 www.sigma-aldrich.com Page 2
Property Value At Temperature or Pressure

pH N/A
BP/BP Range N/A
MP/MP Range 937 掳C
Flash Point N/A
Flammability N/A
Autoignition Temp N/A
Oxidizing Properties N/A
Explosive Properties N/A
Explosion Limits N/A
Vapor Pressure N/A
SG/Density 5.35 g/cm3
Partition Coefficient N/A
Viscosity N/A
Vapor Density N/A
Saturated Vapor Conc. N/A
Evaporation Rate N/A
Bulk Density N/A
Decomposition Temp. N/A
Solvent Content N/A
Water Content N/A
Surface Tension N/A
Conductivity N/A
Miscellaneous Data N/A
Solubility N/A

10 - Stability and Reactivity

STABILITY
Stable: Stable.
Materials to Avoid: Strong oxidizing agents, Halogens.

HAZARDOUS DECOMPOSITION PRODUCTS
Hazardous Decomposition Products: Germanium oxides.

HAZARDOUS POLYMERIZATION
Hazardous Polymerization: Will not occur

11 - Toxicological Information

RTECS NUMBER: LY5200000

SIGNS AND SYMPTOMS OF EXPOSURE
Exposure can cause: Damage to the liver. Damage to the kidneys.
Blood effects. Coughing, chest pains, difficulty in breathing.

ROUTE OF EXPOSURE
Skin Contact: Causes skin irritation.
Eye Contact: Causes eye irritation.
Inhalation: Material is irritating to mucous membranes and upper
respiratory tract.
Multiple Routes: May be harmful by inhalation, ingestion, or
skin absorption.

TARGET ORGAN INFORMATION
Damage to the liver. Damage to the kidneys.

12 - Ecological Information

No data available.



ALDRICH - 327395 www.sigma-aldrich.com Page 3
13 - Disposal Considerations

SUBSTANCE DISPOSAL
Material in the elemental state should be recovered for reuse or
recycling. Observe all federal, state, and local environmental
regulations.

14 - Transport Information

RID/ADR
UN#: 3089
Class: 4.1
PG: II
Proper Shipping Name: Metal powder, flammable, n.o.s.

IMDG
UN#: 3089
Class: 4.1
PG: II
Proper Shipping Name: METAL POWDER, FLAMMABLE, N.O.S.
Marine Pollutant: No
Severe Marine Pollutant: No
Technical Name: Required

IATA
UN#: 3089
Class: 4.1
PG: II
Proper Shipping Name: Metal powder, flammable, n.o.s.
Inhalation Packing Group I: No
Technical Name: Required

15 - Regulatory Information

CLASSIFICATION AND LABELING ACCORDING TO EU DIRECTIVES
INDICATION OF DANGER: F Xi
Highly Flammable. Irritant.
R-PHRASES: 36/37/38
Irritating to eyes, respiratory system and skin.
S-PHRASES: 16 33 26 36/39
Keep away from sources of ignition - no smoking. Take
precautionary measures against static discharges. In case of
contact with eyes, rinse immediately with plenty of water and
seek medical advice. Wear suitable protective clothing and
eye/face protection.

SWITZERLAND
SWISS POISON CLASS: FREI

16 - Other Information

WARRANTY
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. Sigma-Aldrich Inc.,
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 2005 Sigma-Aldrich Co. License granted to make unlimited


ALDRICH - 327395 www.sigma-aldrich.com Page 4
paper copies for internal use only.

DISCLAIMER
For R&D use only. Not for drug, household or other uses.




ALDRICH - 327395 www.sigma-aldrich.com Page 5

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