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CAS 7440-31-5 Tin molecular structure lightbox
CAS RN: 7440-31-5

Tin

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46 package records45 with current stock18 grade groups
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Batchno.20250315 5g In stock Shanghai, Guangdong Inquiry
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Batchno.20250919 100g In stock Shanghai, Shenzhen, Tianjin Inquiry
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Batchno.20260507 500g In stock Shanghai, Tianjin Inquiry
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Batchno.20250107 100g In stock Shanghai, Chongqing Inquiry
Batchno.20260323 25g In stock Shanghai, Shandong, Guangdong, Chongqing Inquiry
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Batchno.20250104 10g In stock Inquiry
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Batchno.20260329 1kg In stock Shanghai, Shandong, Hebei Inquiry
Batchno.20260414 250g In stock Shanghai, Shandong, Chongqing, Hebei Inquiry
Batchno.20260312 50g In stock Shanghai, Shandong, Guangdong, Hebei Inquiry
Batchno.20250710 5kg In stock Shanghai, Shandong Inquiry
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Batchno.20251219 1kg In stock Shanghai, Hebei Inquiry
Batchno.20250331 250g In stock Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
Batchno.20250210 50g In stock Shanghai, Shandong, Chongqing, Hebei Inquiry
  • Product code: SSC-183851
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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

  • Pack sizes on record: 10g, 25g, 100g, 500g
  • Available purity: ＞98%
  • Inventory rows with stock: 2
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 7440-31-5
Pack Size Recorded Purity Available Qty Ship From Inquiry
10g -- 1 In Stock Hong Kong Inquiry
10g ＞98% 1 In Stock Beijing Inquiry
25g -- 0 Out of Stock Beijing Inquiry
25g ＞98% 0 Out of Stock Beijing Inquiry
100g -- 0 Out of Stock Shanghai Inquiry
100g ＞98% 0 Out of Stock Beijing Inquiry
500g -- 0 Out of Stock Shanghai Inquiry
500g ＞98% 0 Out of Stock Hong Kong Inquiry

7440-31-5 / tin

Standard CAS: 7440-31-5 Multi CAS: Yes
Basic Information Physical Properties Computed Properties

Basic Information

CAS
7440-31-5
Multi CAS
Yes
Molecular Formula
NS
Molecular Weight
118.710000
Exact Mass
119.902203
InChI
InChI=1S/Sn
InChIKey
ATJFFYVFTNAWJD-UHFFFAOYSA-N

Physical Properties

Melting Point
449 °F (NIOSH, 2024) 231.9 °C Transformation temp: (beta in equilibrium with alpha) 13.2 °C 449 °F
Boiling Point
4545 °F at 760 mmHg (NIOSH, 2024) 2507 °C 2260 °C 4545 °F
Density
7.28 (NIOSH, 2024) - Denser than water; will sink 7.265 (white); 5.769 (gray) 7.2 g/cm³ 7.28
Physical Description
White TIN is an almost silver-white, ductile, malleable, lustrous solid. mp 232 °C, bp: 2507 °C. Density: 7.3 g/cm3. Pure white tin becomes non-metallic powdery gray tin if held for a sustained period at temperatures less than 13 °C. Dry Powder, Other Solid; Other Solid; Dry Powder, Water or Solvent Wet Solid; Liquid; Dry Powder; Water or Solvent Wet Solid WHITE CRYSTALLINE POWDER. Gray to almost silver-white, ductile, malleable, lustrous solid.
Appearance
Cubic (gray); tetragonal (white); rhomboidal (tin brittle) Almost silver-white, lustrous soft, very malleable & ductile metal; only slightly tenacious; easily powdered; when bent emits crackling "tin cry"; brittle @ 200 °C; brinell hardness 2.9; at -40 °C crumbles to gray amorphous powder (gray tin); slowly changes back above 20 °C to white tin
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
1
Molar refractivity
5.75
TPSA
0.0000

LogP / Solubility

WLOGP
-0.38
MLOGP
-0.34
XLogP3
-0.38
Consensus LogP
-0.37
Log S (ESOL)
-0.34
Class (ESOL)
Very soluble
Log S (Ali)
-0.26
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.12
Class (SILICOS-IT)
Very soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-3.71

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Leadlikeness
No
Synthetic Accessibility
1

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