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Shaoxing Huawei Chemical Co.,Ltd.

·	Triphenylphosphine
·	Tetrachlorophthalic Anhydride
·	p-Cresol
·	Sodium sulfite
·	Sulfuric acid

· Binhai:Shaoxing Huawei Chemical Co.,Ltd.
· Tel: +86-575-85620368 13957559832
· Paojiang:Shaoxing Huali Fine Chemical Co., Ltd.
· Tel: +86-575-85726755 13867572782
· Pingshui:Shaoxing Huawei Chemical Co., Ltd.
· Tel: +86-575-85767147 13505751287
· E-mail: [email protected]
· Web: 123longjie.com

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Fuming sulfuric acid

【English name】:Oleum, Sulphuric acid fuming
【Chinese name】:20%Fuming sulfuric acid, 105 acid
【CAS】:7664-93-9
【Molecular formula】:H₂SO₄·xSO₃
【Quality standard】:

Item	National standard	Index
Sulfuric acid % ≥	104.5	104.5-105.2
Ignition residue % ≤	0.03	0.02
Iron content % ≤	0.010	0.008
As % ≤	0.0001	0.0001

【Use】:Widely used in synthetic dyes, explosive and pharmaceutical industry.

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