Beryllium

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)
Flame Color :White
Resistivity :4.46 μΩ-cm, 20°C
Water Solubility :soluble acids except HNO3; soluble alkalies [HAW93]
Electrical Conductivity :2.5× 10⁷S/m
Thermal Conductivity :190 W/(m·K)
Specific Heat Capacity :Cp(crystal): 1.82 J/(g·K); Cp(gas): 2.31 J/(g·K), at 25℃
Merck :13,1164
Exposure limits :ACGIH TLV-TWA:0.00005 mg/m3 (0.05 µg/m3),as Be,Inhalable particulate matter
OSHA PEL-TWA:0.002 mg/m3 Stability :Stable. Incompatible with acids, bases, oxidizing agents, halogen compounds, halogens, alkali metals.
InChI :1S/Be
InChIKey :ATBAMAFKBVZNFJ-UHFFFAOYSA-N
SMILES :[Be]
Hardness, Rockwell B :75 - 85
Modulus of Elasticity :303 GPa
Shear Modulus :135 GPa
Poissons Ratio :0.070 - 0.18, values between 0.07 and 0.18 have been reported for beryllium
CAS DataBase Reference :7440-41-7(CAS DataBase Reference)
EPA Substance Registry System :Beryllium (7440-41-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
Precautionary statements:	P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. P284 Wear respiratory 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. Continuerinsing. P308+P313 IF exposed or concerned: Get medical advice/attention. P310 Immediately call a POISON CENTER or doctor/physician. P312 Call a POISON CENTER or doctor/physician if you feel unwell. P314 Get medical advice/attention if you feel unwell. P330 Rinse mouth. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up. P501 Dispose of contents/container to..…