变色酸二钠盐二水合物，CAS 登记号 129-96-4，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于无机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
无机化学品
每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。
本页已列出 变色酸二钠盐二水合物 的 CAS 号：129-96-4，可与随货 COA 核对。
常见纯度为 按批次COA提供(不公开发布)，包装形式为 按订单/批次确认(不公开发布)，特殊规格可在询价时说明。
主要涉及无机化学品。
来信 info@591daili.com 或 WhatsApp 联系，提供产品名称、CAS 号与数量，确认价格与交期后即可安排发货，验收以批次 COA 为准。
chromotropic acid disodium salt dihydrate · CAS 129-96-4 · C10H6Na2O8S2.
| CAS Registry Number | 129-96-4 |
|---|---|
| PubChem CID | 67220 |
| Molecular formula | C10H6Na2O8S2 |
| IUPAC name | disodium;4,5-dihydroxynaphthalene-2,7-disulfonate |
| Molecular Weight | 364.3 |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 0 |
| Exact Mass | 363.92994806 |
| Monoisotopic Mass | 363.92994806 |
| Topological Polar Surface Area | 172 |
| Heavy Atom Count | 22 |
| Formal Charge | 0 |
| Complexity | 480 |
| GHS notification summary | 12.5% (2 / 16) |
|---|
| GHS notification summary | 12.5% (2 / 16) |
|---|---|
| Reported hazard statements | H315 (87.5%), H318 (37.5%), H319 (87.5%), H335 (81.2%) |
This chemical does not meet GHS hazard criteria for 12.5% (2 of 16) of reports.
H315 (87.5%): Causes skin irritation [Warning Skin corrosion/irritation]
Chromotropic acid disodium salt; Sodium chromotropate; 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, disodium salt; Disodium chromotropate; Disodium 4,5-dihydroxynaphthalene-2,7-disulphonate; NSC 4883; EINECS 204-972-9; DTXSID6059609; Sodium 1,8-dioxynaphthalene-3,6-disulfonate; Disodium-1,8-dihydroxynaphthalene-3,6-disulfonate; Disodium 1,8-dihydroxylnaphthalene-3,6-disulfonate; Disodium naphthalene 1,8-dihydroxy-3,6-disulfonate; EINECS 223-430-2; 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, sodium salt (1:2); RefChem:887415; DTXCID3033933
CAS 129-96-4; molecular formula C10H6Na2O8S2; molecular weight — g/mol.
Chromotropic acid disodium salt, Sodium chromotropate, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, disodium salt, Disodium chromotropate, Disodium 4,5-dihydroxynaphthalene-2,7-disulphonate, NSC 4883.
12.5% of GHS notifications report no hazard classification (2 of 16).
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.