
氯化氢 - 百度百科
氯化氢,化学式为HCl,分子量为36.461,是一种无色、有刺激性、腐蚀性及窒息性的气体,在湿空气中强烈发烟 [1-2]。 一个氯化氢分子由一个氯原子和一个氢原子构成,氯化氢易溶于水和酒精,也可溶于乙醚,其水溶液被称为盐酸,又称氢氯酸。 在标准状况下(0 °C,101.325 kPa),1体积水大约能溶解500体积氯化氢 [3-4]。 氯化氢是一种重要的工业用化学物质,用于制染料、香料、药物、各种氯化物及腐蚀抑制剂等。 此外,高纯氯化氢气体在电子工业中应用广泛,电子级 …
Hydrogen chloride 4.0M 1,4-dioxane 7647-01-0 - MilliporeSigma
Hydrogen chloride solution contains 4.0 M hydrogen chloride in 1,4-dioxane as the solvent. It is commonly used as a deprotection reagent during the deprotection of the tert-butoxycarbonyl (Boc) group of various amino acids and peptides. ... group using HCl/dioxane (4 m) G H, et al. The Journal of Peptide Research, 4, 338-341 (2001) Preparation ...
Hydrochloric acid - Wikipedia
Hydrochloric acid, also known as muriatic acid or spirits of salt, is an aqueous solution of hydrogen chloride (HCl). It is a colorless solution with a distinctive pungent smell. It is classified as a strong acid. It is a component of the gastric acid in the digestive systems of most animal species, including humans.
鹽酸 - 維基百科,自由的百科全書
鹽酸,別名 氫氯酸 (英語: hydrochloric acid),是 氯化氫 (化學式: H Cl)的水溶液,屬於 一元 無機 強酸,工業用途廣泛。 鹽酸為無色透明液體,有強烈的 刺鼻 氣味,具有較高的 腐蝕性。 濃鹽酸(重量百分濃度 約為37%)具有極強的揮發性,因此盛有濃鹽酸的容器打開後氯化氫氣體會揮發,與 空氣 中的 水蒸氣 結合產生鹽酸小液滴,使瓶口上方出現 酸霧。 鹽酸是 胃酸 的主要成分,能夠促進食物的 消化 、抵禦 微生物 的 感染。 16世紀, 利巴菲烏斯 正式記載了純淨鹽酸 …
Hydrochloric acid 4 mol/L CAS 7647-01-0 | 137055 - Merck
Hydrochloric acid 4 mol/L CAS 7647-01-0 EMPROVE® EXPERT - Find MSDS or SDS, a COA, data sheets and more information.
氯化氢 - 维基百科,自由的百科全书
氯化氢 (英語: hydrogen chloride), 分子式 为HCl, 室温 下为沒有顏色的 气体,遇空气中的 水蒸气 形成白色 盐酸 酸雾。 氯化氢及其水溶液 盐酸 在化工中非常重要。 二者分子式均可写为HCl。 氯化氢 分子 是由一个 氢 原子 和一个 氯 原子由 共价键 形成的 双原子分子。 因为氯原子的 电负性 远高于氢原子,两原子间的共价键 极性 很强,所以 氯化氢 (鹽酸)分子 偶极矩 很大,氯原子上有部分负 电荷,氢原子上有部分正电荷,因此氯化氢易溶于水和其他极性 溶剂。 氯化氢 …
氯化氢 溶液 4.0 M in dioxane - Sigma-Aldrich
The pectic polysaccharide named abienan AS-A was isolated from the wood greenery of Abies sibirica using dilute hydrochloric acid (pH 4.0) at 70°C. The structure of abienan AS-A was elucidated using sugar composition analysis, ion-exchange …
盐酸 - 维基百科,自由的百科全书
盐酸,别名 氢氯酸 (英語: hydrochloric acid),是 氯化氢 (化学式: H Cl)的水溶液,属于 一元 无机 强酸,工业用途广泛。 盐酸为無色透明液体,有强烈的 刺鼻 气味,具有较高的 腐蚀性。 浓盐酸(重量百分濃度 约为37%)具有极强的挥发性,因此盛有浓盐酸的容器打开后氯化氢气体会挥发,与 空气 中的 水蒸气 结合产生盐酸小液滴,使瓶口上方出现 酸雾。 盐酸是 胃酸 的主要成分,能够促进食物的 消化 、抵御 微生物 的 感染。 16世纪, 利巴菲乌斯 正式记载了纯净盐酸 …
盐酸溶液,100, 4x100, 800 mL,Sure/Seal 瓶装,2 L,Sure/Seal瓶装
氯化氢溶液(4.0 M的二恶烷溶液)可用作: 从各种杂环衍生物中脱除 N-Boc保护基团的试剂。 脱除聚合物保护基的试剂。比如,二苄醚保护的聚合物的脱保护。
4 MM HCL - ChemicalBook
ChemicalBook 为您提供4 MM HCL的化学性质,熔点,沸点,密度,分子式,分子量,物理性质,毒性,结构式,海关编码等信息,同时您还可以浏览4 MM HCL产品的价格,供应商,贸易商,生产企业和生产厂家,最后4 MM HCL的中文,英文,用途 CAS cas number cas no可能也是您 ...
Hydrochloric Acid, 4% (v/v), Ricca Chemical - Fisher Sci
Shop Hydrochloric Acid, 4% (v/v), Ricca Chemical at Fishersci.com. We keep science moving forward by offering over 2.5 million products and extensive support services to the research, production, healthcare, and science education markets.
Hydrochloric Acid 4% - Keavys Corner LLC
Products are sold for the onsite generation of chlorine dioxide. End use is the sole responsibility of the consumer. 4% Hydrochloric Acid (HCl) THIS PRODUCT CANNOT BE SHIPPED TO A PO BOX. Please provide a street address for delivery.
Hydrochloric acid 4 mol/l, EMPROVE® EXPERT | Sigma-Aldrich
Hydrochloric acid 4 mol/l, EMPROVE® EXPERT; CAS Number: 7647-01-0; Synonyms: Hydrochloric acid,Hydrogen chloride solution at Sigma-Aldrich
Hydrochloric Acid, 4% (v/v) Solution - G7Chem
4% (v/v) Component: Hydrochloric Acid (HCl) [CAS. 7647-01-0] Solvent or Matrix: Deion water [CAS. 7732-18-5] Packaging: Natural poly, Cubitainer
Hydrogen chloride, 4M in 1,4-dioxane, 99%, Thermo Scientific …
Hydrogen chloride, 4M in 1,4-dioxane is used in the preparation of N-methyl-O-benzoylhydroxylamine hydrochloride via reaction with benzoic acid, carbonyldiimidazole and N-methylhydroxylamine hydrochloride. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio.
Hydrochloric Acid 4% - Online Reagents
Hydrochloric Acid 4% N.I.S.T. Traceable. We are able to to supply Hydrochloric acid to any specified concentration including as %w/w, %w/v, %v/v, molarity, normality or ppm. Meets the BP, USP and FCC specification. Available with certificates of analysis and specifications for all your quality assurance needs.
Hydrochloric Acid | Fisher Scientific
Hydrochloric acid (HCl) is a corrosive, toxic, inorganic, strongly acidic, aqueous solution of completely ionized hydrogen chloride. It is used in organic and inorganic compound production, as a reagent in reactions and sample preparation, in pH control, etc.
4% hcl的ph值 - 百度文库
本文详细介绍了盐酸的性质、用途以及4% HCl溶液的pH值计算方法。 通过计算,得出4% HCl溶液的pH值约为1.82,表明该溶液呈酸性。 pH值是衡量溶液酸碱程度的指标,其值越小,溶液越酸。 盐酸溶液的pH值可以通过公式pH = -log [H+]计算,其中 [H+]表示氢离子浓度。 4% HCl溶液中的盐酸质量分数为4%,即每100g溶液中含有4g盐酸。 假设溶液密度为1g/mL,则溶液中盐酸的摩尔浓度为: 4% hcl的ph值-4% hcl的ph值摘要:一、引言二、盐酸的性质和用途三、4% HCl溶液 …
The Complete Aqueous Hydrochloric Acid Solutions Density …
The table below gives the density (kg/L) and the corresponding concentration (% weight) of Hydrochloric Acid (HCl) solutions in water at different temperatures in degrees centigrade (°C).
First-aid measures after ingestion : Remove person to fresh air and keep comfortable for breathing. Give oxygen or artificial respiration if necessary. If you feel unwell, seek medical advice. : Wash skin with plenty of water. If skin irritation occurs: Get medical advice/attention. : Remove contact lenses, if present and easy to do.
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