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15512

甲醛溶液

Name: 甲醛 溶液
Brand: SIAL

≥34.5 wt. in H₂O, solution, meets analytical specification of USP, contains 9-15% methanol as stabilizer (to prevent polymerization)

别名:

福尔马林

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关于此项目

线性分子式:

HCHO

化学文摘社编号:

50-00-0

分子量:

30.03

UNSPSC Code:

12352114

eCl@ss:

39021101

PubChem Substance ID:

57647382

NACRES:

NA.21

Beilstein/REAXYS Number:

1209228

MDL number:

MFCD00003274

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属性

产品名称

甲醛溶液, meets analytical specification of USP, ≥34.5 wt. %

vapor density

1.03 (vs air)

Quality Level

200

vapor pressure

52 mmHg ( 37 °C)

autoignition temp.

572 °F

quality

meets analytical specification of USP

contains

9.0-15.0% methanol as stabilizer (GC)

concentration

≥34.5 wt. %, 25-50%

impurities

acidic reac. substances, complies, residual solvents, complies

ign. residue

≤0.01% (as SO₄)

density

1.09 g/mL at 25 °C (lit.)

suitability

corresponds for identity

SMILES string

[H]C([H])=O

InChI

1S/CH2O/c1-2/h1H2

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

说明

General description

市场上销售的甲醛溶液是含有37%甲醛和8-10%甲醇的水溶液。通过加入催化量的镧系元素三氟甲磺酸酯，可以活化甲醛溶液。这种活化的甲醛溶液被用于与硅烯醇醚发生平稳的羟甲基化反应。甲醛溶液与硅烯醇醚反应，以高产率获得相应的羟甲基化加合物。

Application

甲醛溶液被用于制备甲醛储液,以便开发包容灵敏性和选择性试剂的透明溶胶凝胶，用于检测空气中甲醛。它可用于制备具有不同形状和不同粒径的纳米晶金属（Cu，Hg，Zn，Bi，Pb）硫化物。

Other Notes

货号15512-4X2.5L-R的产品即将停产。请订购15512-2.5L-R单瓶装，因为其具体参数与上述产品本质相同。
货号15512-6X1L-R的产品即将停产。请订购15512-1L-R单瓶装，因为其具体参数与上述产品本质相同。

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pictograms

GHS06,GHS08,GHS05

signalword

Danger

hcodes

H301 + H311,H314,H317,H330,H335,H341,H350,H370

pcodes

P202 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 1 - STOT SE 3

target_organs

Eyes,Central nervous system, Respiratory system

存储类别

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

143.6 °F - closed cup

flash_point_c

62 °C - closed cup

法规信息

危险化学品

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Microwave synthesis of nanocrystalline metal sulfides in formaldehyde solution.

Liao X-H, et al.

Materials Science and Engineering, B, 85(1), 85-89 (2001)

Lanthanide Trifluoromethanesulfonates as Stable Lewis Acids in Aqueous Media. Yb (OTf)₃ Catalyzed Hydroxymethylation Reaction of Silyl Enol Ethers with Commercial Formaldehyde Solution.

Kobayashi S.

Chemistry Letters (Jpn), 12, 2187-2190 (1991)

Sol-gel based sensor for selective formaldehyde determination.

Opas Bunkoed et al.

Analytica chimica acta, 659(1-2), 251-257 (2010-01-28)

We report the development of transparent sol-gels with entrapped sensitive and selective reagents for the detection of formaldehyde. The sampling method is based on the adsorption of formaldehyde from the air and reaction with beta-diketones (for example acetylacetone) in a

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全球贸易项目编号

货号	GTIN
15512-2.5L-R	04061838125125
15512-5G-F	04061832641621
15512-1L-R	04061838741912
15512-25KG-R	04061838125132
15512-4X2.5L-R	04061838741929
15512-6X1L-R	04061838118134
15512-5L-R	04061838118127