Sodium dithionite (mā kiò-tsò sodium hydrosulfite; hàn-gú: 連二亞硫酸鈉 (lên-jī a-liû-sng la̽p), 低亞硫酸鈉 (kē a-liû-sng la̽p), 二硫亞磺酸鈉 (jī-liû a-hông-sng la̽p)) sī pe̍h-sik ket-tsiñ-sìng ê hún-bua̍h, ū liû-hông khì-bī. Sui-jên teh ta-sò ê khong-khì tang-tiong sī ún-tīng ê, m̄-koh sio-tsuí hām sng iông-ı̽k lāi-té ê hun-kái [en]. sio̍k-tshing [en] pó-hiám-hún [en]hun-tsí-sik Na2S2O4, sī tsi̍t-tsióng kiông huân-guân-tse, ē-tàng tsè-sîng si̍t-phín phiò-pe̽h-che [en].[1]

Sodium dithionite
(Lên-jī a-liû-sng la̽p)
Sodium dithionite
Hō-miâ
Kî-tha hō-miâ
D-Ox, Hydrolin, Reductone
sodium hydrosulfite, sodium sulfoxylate, Sulfoxylate
Vatrolite, Virtex L
Hydrosulfit, Prayon
Blankit, Albite A, Konite
Zepar, Burmol, Arostit
Sek-pia̍t-hō
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.028.991
EC Number 231-890-0
RTECS number JP2100000
UNII
UN number 1384
Sèng-chit
Na2S2O4
Mole chit-liōng 174.107 g/mol (anhydrous)
210.146 g/mol (dihydrate)
Gōa-māu white to grayish crystalline powder
light-lemon colored flakes
Khì-bī faint sulfur odor
Bi̍t-tō͘ 2.38 g/cm3 (anhydrous)
1.58 g/cm3 (dihydrate)
Iûⁿ-tiám 52 °C (126 °F; 325 K)
Hut-tiám Decomposes
18.2 g/100 mL (anhydrous, 20 °C)
21.9 g/100 mL (Dihydrate, 20 °C)
Iûⁿ-kái-tō͘ slightly soluble in alcohol
Gûi-hiám
GHS pictograms GHS02: FlammableGHS07: Exclamation mark
GHS signal word Danger
NFPA 704
NFPA 704 four-colored diamondFlammability code 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g., gasolineHealth code 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g., chloroformReactivity code 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g., calciumSpecial hazards (white): no code
3
2
1
Ín-hóe-tiám 100 °C (212 °F; 373 K)
200 °C (392 °F; 473 K)
Koan-liân hòa-ha̍p-bu̍t
Kî-tha im-lî-chú
Sodium sulfite
Sodium sulfate
Koan-liân hòa-ha̍p-bu̍t
Sodium thiosulfate
Sodium bisulfite
Sodium metabisulfite
Sodium bisulfate
Tû-liáu te̍k-pia̍t chí chhut, chu-liāu sī kun-kù bu̍t-chit ê piau-chún chōng-thài (tī 25 °C [77 °F], 100 kPa).
☒N cha-chèng (☑Y☒N sī siáⁿ ?)
Infobox chham-chiàu

Tsù-kái siu-kái

  1. Weinrach, J. B.; Meyer, D. R.; Guy, J. T.; Michalski, P. E.; Carter, K. L.; Grubisha, D. S.; Bennett, D. W. (1992). "A structural study of sodium dithionite and its ephemeral dihydrate: A new conformation for the dithionite ion". Journal of Crystallographic and Spectroscopic Research. 22 (3): 291–301. doi:10.1007/BF01199531.  (Eng-gí)

Tsham-khó bûn-hèn siu-kái

  • "Sulfites, Thiosulfates, and Dithionites". Ullmann's Encyclopedia of Industrial Chemistry (6th pán.). Weinheim: Wiley-VCH. 2003. pp. 7–11. doi:10.1002/14356007.a25_477. ISBN 978-3-527-30385-4.  (Eng-gí)
  • Лидин Р.А. и др. Химические свойства неорганических веществ: Учеб. пособие для вузов. — 3-е изд., испр. — М.: Химия, 2000. — 480 с. — ISBN 5-7245-1163-0. (Gô-gú)

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