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Tartrazine

C.I NO: 19140

C

16

H

9

N

4

Na

3

O

9

S

2

CAS-No: 1934-21-0

EC-No: 217-699-5

EC index No: -

M= 534.36 g/mol

Soluble in H

2

O -

Colour: Orange coloured powder

Odour: Odorless

pH value Not applicable

Melting point: -

Harmful

H-STATEMENT/EUH: H319;334;317 / P285;

280;261;264;272;302+352;305+351+338;304

+341;333+313;342+311;363;501

HS-CODE: 3212 9000

LGK: -

971.D01

Tartrazine -

(C.I.19140) for microscopy

Specification

Appearance

Orange colored powder

Absorption maxima in water

421 - 427 nm

Absorptivity, 1cm, Imax

400

Loss on drying (135°C)

15 %

catalogue

number

971.D01.0010

971.D01.0025

971.D01.0050

971.D01.0100

packing

specs

plastic bottle

plastic bottle

plastic bottle

plastic bottle

pack

in box

6 pieces

6 pieces

6 pieces

6 pieces

weight

in pack

10 g

25 g

50 g

100 g

Tetra-n-butylammonium hydrogen sulfate

C

16

H

37

NO

4

S

CAS-No: 32503-27-8

EC-No: 251-068-5

EC index No: -

M= 339.54 g/mol

Vapor Pressure: -

Specific density: -

Flash point: -

Soluble in H

2

O soluble at 20°C

pH value 1 - 2 (100 g/l, H

2

O, 20°C)

Melting point: 168 - 174°C

Bulk density: 650 kg/m

3

Boiling point: -

Ignition temperature: -

Explosive limit: -

Viscosity kinematic: -

Irritant

H-STATEMENT/EUH: H315;319 / P302+

352;305+351+338

Test Type: -

Results: -

HS-CODE: 2923 90 00

LGK: 10-13 Disposal: 3

WGK: - UN: -

972.03P

Tetra-n-butylammonium hydrogen sulfate -

For ion pair chromatography

Specification

Assay (acidimetric;

calculated on dried substance)

99%

Identity (IR-spectrum)

passes test

pH-value (10%; water)

2

UV-transmission

(200 nm; 0.005 mol/l; 1cm; water)

70 %

UV-transmission

(220 nm; 0.005 mol/l; 1cm; water)

90 %

UV-transmission

(250 nm; 0.005 mol/l; 1cm; water)

98 %

Loss on drying (120°C, vacuum)

2 %

catalogue

number

972.03P.0051

packing

specs

glass bottle

pack

in box

4 pieces

weight

in pack

50 g

Tetrahydrofuran

C

4

H

8

O

CAS-No: 109-99-9

EC-No: 203-726-8

EC index No: 603-025-00-0

M= 72.11 g/mol

Vapor Pressure: 200 hPa (20°C)

Specific density: 0.89 g/cm3 (20°C)

Flash point: -20°C

Soluble in H

2

O Fully miscible

pH value 7-8 (200g/l; 20°C)

Melting point: -108.5°C

Bulk density: -

Boiling point: 66°C

Ignition temperature: 215°C

Explosive limit: 1.5 - 12.4 % (V)

Viscosity kinematic: -

Irritant , flammable

H-STATEMENT/EUH: H225;H302;319;351;

335, EUH019 / P210;241;303+361+353;305+

351+ 338;405+501

Test Type: LD50 Oral Rat

Results: 1650 mg/kg

HS-CODE: 2932 11 00 LGK: 3

Disposal: 1 WGK: 1 UN: 2056

972.017

Tetrahydrofuran -

For liquid chromatography

Specification

Purity (GC)

99.9 %

Identity (IR)

passes test

Evaporation residue

0.0001 %

Water

0.02 %

Acidity

0.0002meq/g

Alkalinity

0.0002meq/g

Peroxide

0.02 %

Transmission (at 218 nm)

30 %

Transmission (at 230 nm)

35 %

Transmission (at 250 nm)

65 %

Transmission (at 280 nm)

95 %

Filtred by 0.2µm filter

catalogue

number

972.017.2501

packing

specs

glass bottle

pack

in box

4 pieces

volume

in pack

2.5 l

972.027

Tetrahydrofuran -

Unstabilized HPLC-S

Specification

Assay (GC, on anhydrous basis)

99.9 %

Appearance

Clear colorless liquid

T230 nm

35%

T254 nm

70%

T280 nm

95%

T300 nm

98%

Acidity (asAcetic acid)

0.002%

Water (KF)

0.02%

Peroxides (as H

2

O

2

)

0.01%

Residue after evaporation

0.0002%

Color (APHA)

10

Grad. elution H.Peak at 254 nm 0.01AU

Grad. elution H.Peak at 280 nm 0.005AU

Filtered through 0.2 µm

catalogue

number

972.027.2501

packing

specs

glass bottle

pack

in box

4 pieces

volume

in pack

2.5 l