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Barium sulfate CAS 13462-86-7 Ifihan Aworan
  • Sulfate Barium CAS 13462-86-7 1

Barium imi-ọjọ CAS 13462-86-7

Ohun-ini Kemikali:

Ilana molikula BaO4S
Molar Mass 233.39
iwuwo 4.5
Ojuami Iyo 1580 °C
Boling Point decomposes ni 1580 ℃ [KIR78]
Omi Solubility 0.0022 g/L (50ºC)
Solubility omi: insoluble
Ifarahan funfun lulú
Specific Walẹ 4.5
Àwọ̀ Funfun si ofeefee
Ifilelẹ Ifarahan ACGIH: TWA 5 mg/m3OSHA: TWA 15 mg/m3; TWA 5 mg/m3NIOSH: TWA 10 mg/m3; TWA 5 mg/m3
Ibakan Ọja Solubility(Ksp) pKsp: 9.97
Merck 14,994
PH 3.5-10.0 (100g/l, H2O, 20℃) idadoro
Ibi ipamọ Ipo Iwọn otutu ipamọ: ko si awọn ihamọ.
Iduroṣinṣin Idurosinsin.
Ni imọlara Ni irọrun fa ọrinrin
MDL MFCD00003455
Ti ara ati Kemikali Properties awọn ohun-ini ti ko ni awọ orthorhombic gara tabi lulú apẹrẹ funfun.
yo ojuami 1580 ℃
iwuwo ojulumo 4.50(15 ℃)
solubility jẹ fere insoluble ninu omi, ethanol ati acid. Tiotuka ninu sulfuric acid ogidi gbona.
kristali orthorhombic ti ko ni awọ tabi lulú amorphous funfun. Ojulumo iwuwo 4.50 (15 iwọn C). Yiyo ojuami 1580 °c. Iyipada polycrystalline waye ni ayika 1150 °c. Ibajẹ pataki bẹrẹ ni iwọn 1400 °c. Iduroṣinṣin kemikali. Ni iṣe ti ko ṣee ṣe ninu omi, ethanol ati acids. Tiotuka ni sulfuric acid ogidi gbona, gbigbẹ rọrun lati agglomerate. 600 C pẹlu erogba le dinku si barium sulfide.
Lo O ti wa ni o kun lo bi awọn kan weighting oluranlowo fun epo ati adayeba gaasi liluho ẹrẹ, ati ki o jẹ tun ẹya pataki ni erupe ile aise ohun elo fun yiyo irin barium ati ngbaradi orisirisi barium agbo. Awọn agbo ogun barium ti o ṣe pataki julọ ni ile-iṣẹ ni barium carbonate, barium chloride, sulfuric acid, barium nitrate, barium hydroxide, barium oxide, barium peroxide, barium chromate, Barium manganate, barium chlorate, lithopone, barium polysulfide, bbl Awọn agbo ogun Barium ni lilo pupọ. bi awọn ohun elo aise ati awọn kikun fun roba, awọn pilasitik, awọn awọ, awọn aṣọ, ṣiṣe iwe, awọn aṣọ, awọn kikun, awọn inki, awọn amọna; Ti a lo bi girisi orisun barium, isọdọtun epo, suga beet, awọn ohun elo aise Rayon; Ti a lo bi awọn ipakokoropaeku, sterilants, rodenticides, explosives, Green pyrotechnic, bombu ifihan agbara, olutọpa, awọn afihan fọtoyiya X-ray iṣoogun; Tun lo ninu gilasi, awọn ohun elo amọ, alawọ, ẹrọ itanna, awọn ohun elo ile, irin ati awọn apa miiran. Barium irin le ṣee lo fun tẹlifisiọnu ati gidi

Alaye ọja

ọja Tags

Awọn aami ewu Xn – ipalara
Awọn koodu ewu R20 / 21/22 - ipalara nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati ti o ba gbe.
R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Abo S22 - Maṣe simi eruku.
S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju.
S36 - Wọ aṣọ aabo to dara.
S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
WGK Germany -
RTECS CR0600000
TSCA Bẹẹni
HS koodu 28332700
Oloro LD50 ẹnu ni Ehoro:> 20000 mg/kg

 

Ifaara

Aini itọwo, ti kii ṣe majele. Ibajẹ loke 1600 ℃. Soluble ni sulfuric acid ogidi gbona, insoluble ninu omi, Organic ati inorganic acids, ojutu caustic, tiotuka ninu sulfurous acid gbona ati sulfuric acid ogidi gbona. Awọn ohun-ini kemikali jẹ iduroṣinṣin, ati pe o dinku si barium sulfide nipasẹ ooru pẹlu erogba. Ko yi awọ pada nigbati o farahan si hydrogen sulfide tabi awọn gaasi majele ninu afẹfẹ.

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