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BERYLLIUM

CAS:
7440-41-7
MF:
Be
MW:
9.01

Properties

Melting point:
1278 °C (lit.)
Boiling point:
2970 °C (lit.)
Density 
1.85 g/mL at 25 °C (lit.)
storage temp. 
Store at +15°C to +25°C.
form 
powder
color 
Gray
PH
0.5 (H2O, 20°C)
Resistivity
4.46 μΩ-cm, 20°C
Water Solubility 
soluble acids except HNO3; soluble alkalies [HAW93]
Merck 
13,1164
Exposure limits
TLV-TWA 0.002 mg/m3 (ACGIH, MSHA, and OSHA).
Stability:
Stable. Incompatible with acids, bases, oxidizing agents, halogen compounds, halogens, alkali metals.

Safety Information

Symbol(GHS) 

GHS06,GHS08
Signal word 
Danger
Hazard statements 
H301-H315-H317-H319-H330-H335-H350i-H372-H350
Precautionary statements 
P301+P310a-P304+P340-P305+P351+P338-P320-P330-P405-P501a-P201-P260-P280-P284-P301+P310+P330-P304+P340+P310
Hazard Codes 
T+,T
Risk Statements 
49-25-26-36/37/38-43-48/23-20
Safety Statements 
53-45
RIDADR 
UN 1567 6.1/PG 2
WGK Germany 
1
RTECS 
DS1750000
Autoignition Temperature
1198 °F
TSCA 
Yes
HS Code 
3822 00 00
HazardClass 
8
PackingGroup 
III
Toxicity
Elemental Be and its compounds are very poisonous by inhalation or intravenous route. Chronic inhalation of beryllium dusts or fumes can cause a serious lung disease, berylliosis, after a latent period ranging from several months to many years. Inhalation of airborne dusts can also cause an acute disease manifested as dyspnea, pneumonitis and tracheobronchitis with a short latency period of a few days. Skin contact with soluble salts of the metal can cause dermatitis. Beryllium also is a carcinogen. There is sufficient evidence of its inducing cancer in animals and humans. It is one of the US EPA's listed priority pollutant metals in the environment.

Use

Beryllium and its compounds are highly toxic substances. Beryllium can affect all organ systems, although the primary organ involved is the lung. Beryllium causes systemic disease by inhalation and can distribute itself widely throughout the body after absorption from the lungs. The signs and symptoms of chronic beryllium poisoning include, cough, chest pain, fatigue, dyspnea, anorexia, cyanosis, cubbing, hepatomegaly, splenomegaly with complications of cardiac failure, renal stone, and pneumothorax. Little beryllium is absorbed from the gastrointestinal tract. Beryllium can cause skin irritation and its traumatic introduction into subcutaneous tissue can cause local irritation and granuloma formation. Beryllium is a potent inhibitor of various enzymes of phosphate metabolism, particularly of alkaline phosphatase. The health hazards of beryllium are almost exclusively confi ned to inhalation exposure and skin contactBeryllium and its salts are toxic and should be handled with the greatest of care. Beryllium and its compounds should not be tasted to verify its sweetish nature. Ingestion and breathing of beryllium is harmful. Acute exposures to high levels of beryllium cause mild infl ammation of the nasal mucous membranes and pharynx, rhinitis and pharyngitis, tracheo-bronchitis, and pneumonitis. The symptoms of acute pneumonitis are cough, respiratory distress, substernal discomfort or pain, loss of appetite, weakness, tiredness, chest pain, and cyanosis.Beryllium can be very harmful when humans breathe it in, because it can damage the lungs and cause pneumonia. The most commonly known effect of beryllium is called berylliosis, a dangerous and persistent lung disorder that can also damage other organs, such as the heart. In about 20% of all cases, people die of this disease. Breathing in beryllium in the workplace causes berylliosis. People that have weakened immune systems are most susceptible to this disease. Beryllium can also cause allergic reactions with people that are hypersensitive to this chemical and cause chronic beryllium disease (CBD). The symptoms are weakness, tiredness, and breathing problems. Some people that suffer from CBD will develop anorexia and blueness of hands and feet. Sometimes, people can even be in such a serious condition that CBD can cause their death. Next to causing berylliosis and CBD, beryllium can also increase the chances of developing cancer and DNA damage. Chronic beryllium disease is a pulmonary and systemic granulomatous disease caused by inhalation of beryllium. The latency of the disease can be from 1 to 30 years, most commonly occurring 10–15 years after fi rst exposure. From the reported use pattern of beryllium, it can be deduced that toxicologically relevant exposure to beryllium is largelyconfi ned to the workplace. Only a few exposure situations have been reported for the general population

67 supplier list of "BERYLLIUM"

  • Product Name:beryllium atom
  • Products Intro:Purity: 99% | Package: 5KG;1KG
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: Apis
  • Product Name:BERYLLIUM
  • Products Intro:Purity: 0.99 | Package: 5KG;1KG
  • Company Type: Trader
  • Country/Region: CHINA
  • Product Name:Beryllium
  • Products Intro:Purity: 0.99 | Package: 25KG;5KG;1KG;500G
  • Company Type: Trader
  • Country/Region: CHINA
  • Product Name:Beryllium
  • Products Intro:Purity: 98% | Package: 1KG;5KG;25KG
  • Company Type: Trader
  • Country/Region: CHINA
  • Product Name:Beryllium
  • Products Intro:Purity: 99% | Package: 5g
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: Chlorogenic acid,Tea polyphenol,Acacetin,Gentiopicroside,Jatrorrhizine
  • Product Name:Beryllium
  • Products Intro:Purity: 99.00% | Package: 25kgs/Drum;200kgs/Drum | CustNote: ISO 9001:2015 REACH Approved Manufacturer
  • Company Type: Trader
  • Country/Region: CHINA
  • Product Name:Beryllium
  • Company Type: Trader
  • Country/Region: GERMANY
  • 1ea$1500.00
  • Product Name:Beryllium
  • Products Intro:Brand: Sigma-Aldrich | Product Number: GF30251618 | Purity: foil, thickness 0.125 mm, 25 mm diameter, purity 99.8%
  • Company Type: Trader
  • Country/Region: UNITED STATES
  • 25x25mm$606.00
    50x50mm$1439.00
  • Product Name:Beryllium foil, 0.25mm (0.01in) thick
  • Products Intro:Brand: Alfa Aesar | Product Number: 010106
  • Company Type: Trader
  • Country/Region: UNITED STATES
  • 5g$40.00
    25g$148.00
  • Product Name:Beryllium powder (99+%)
  • Products Intro:Brand: Strem Chemicals | Product Number: 93-0420 | Purity: Beryllium powder (99+%)
  • Company Type: Trader
  • Country/Region: UNITED STATES

BERYLLIUM Related Search:

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